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1 2005-02-18  Richard Sandiford  <richard@codesourcery.com>
2
3         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5         (copy_insn_1): Likewise.  Don't copy each field individually.
6         Reindent.
7         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8         of RTX_SIZE.
9         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10         * rtl.c (rtx_size): Rename variable to...
11         (rtx_code_size): ...this.
12         (rtx_size): New function.
13         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
15         Reindent.
16         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17         * rtl.h (rtx_code_size): New variable.
18         (rtx_size): Change from a variable to a function.
19         (RTX_SIZE): Rename to...
20         (RTX_CODE_SIZE): ...this.
21
22         PR target/9703
23         PR tree-optimization/17106
24         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
25         (Anchored Addresses): New section.
26         * doc/invoke.texi (-fsection-anchors): Document.
27         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
28         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
29         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
30         * hooks.c (hook_bool_mode_rtx_false): New function.
31         * hooks.h (hook_bool_mode_rtx_false): Declare.
32         * gengtype.c (create_optional_field): New function.
33         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
34         SYMBOL_REF_IN_BLOCK_P is true.
35         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
36         (min_anchor_offset, max_anchor_offset): Likewise.
37         (use_anchors_for_symbol_p): New hook.
38         * toplev.c (compile_file): Call output_object_blocks.
39         (target_supports_section_anchors_p): New function.
40         (process_options): Check that -fsection-anchors is only used on
41         targets that support it and when -funit-at-a-time is in effect.
42         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
43         if the decl doesn't have one.
44         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
45         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
46         of force_const_mem through use_anchored_address.
47         (expand_expr_constant): New function.
48         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
49         calling expand_expr for INDIRECT_REF.
50         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
51         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
52         * expr.h (use_anchored_address): Declare.
53         * loop-unroll.c: Don't declare rtx vectors here.
54         * explow.c: Include output.h.
55         (validize_mem): Call use_anchored_address.
56         (use_anchored_address): New function.
57         * common.opt (-fsection-anchors): New switch.
58         * varasm.c (object_block_htab, anchor_labelno): New variables.
59         (hash_section, object_block_entry_eq, object_block_entry_hash)
60         (use_object_blocks_p, get_block_for_section, create_block_symbol)
61         (use_blocks_for_decl_p, change_symbol_section): New functions.
62         (get_variable_section): New function, split out from assemble_variable.
63         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
64         use_blocks_for_decl_p say so.  Use change_symbol_section if the
65         symbol has already been created.
66         (assemble_variable_contents): New function, split out from...
67         (assemble_variable): ...here.  Don't output any code for
68         block symbols; just pass them to place_block_symbol.
69         Use get_variable_section and assemble_variable_contents.
70         (get_constant_alignment, get_constant_section, get_constant_size): New
71         functions, split from output_constant_def_contents.
72         (build_constant_desc): Create a block symbol if use_object_blocks_p
73         says so.  Or into SYMBOL_REF_FLAGS.
74         (assemble_constant_contents): New function, split from...
75         (output_constant_def_contents): ...here.  Don't output any code
76         for block symbols; just pass them to place_section_symbol.
77         Use get_constant_section and get_constant_alignment.
78         (force_const_mem): Create a block symbol if use_object_blocks_p and
79         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
80         (output_constant_pool_1): Add an explicit alignment argument.
81         Don't switch sections here.
82         (output_constant_pool): Adjust call to output_constant_pool_1.
83         Switch sections here instead.  Don't output anything for block symbols;
84         just pass them to place_block_symbol.
85         (init_varasm_once): Initialize object_block_htab.
86         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
87         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
88         (place_block_symbol, get_section_anchor, output_object_block)
89         (output_object_block_htab, output_object_blocks): New functions.
90         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
91         (TARGET_ASM_OUT): Include it.
92         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
93         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
94         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
95         (TARGET_INITIALIZER): Include them.
96         * rtl.c (rtl_check_failed_block_symbol): New function.
97         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
98         (block_symbol, object_block): New structures.
99         (rtx_def): Add a block_symbol field to the union.
100         (BLOCK_SYMBOL_CHECK): New macro.
101         (rtl_check_failed_block_symbol): Declare.
102         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
103         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
104         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
105         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
106         * output.h (output_section_symbols): Declare.
107         (object_block): Name structure.
108         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
109         (default_use_anchors_for_symbol_p): Declare.
110         * Makefile.in (RTL_BASE_H): Add vec.h.
111         (explow.o): Depend on output.h.
112         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
113         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
114         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
115         (rs6000_use_blocks_for_constant_p): New function.
116
117 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
118
119         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
120
121 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
122
123         PR tree-opt/25680
124         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
125         IMAGPART_EXPR.
126
127 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
128
129         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
130         is_aliased.
131         Update all users.
132
133 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
134
135         PR middle-end/26334
136         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
137         instead of DECL_REGISTER.
138
139 2006-02-18  Olivier Hainque  <hainque@adacore.com>
140
141         PR ada/13408
142         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
143
144 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
145
146         PR target/24837
147         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
148         * opth-gen.awk: Handle Var and InverseMask together.
149         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
150         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
151         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
152         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
153         used together.
154         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
155         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
156         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
157         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
158         LINUX_DYNAMIC_LINKER): Define.
159         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
160         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
161         TARGET_GLIBC.
162         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
163         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
164         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
165         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
166         (TARGET_C99_FUNCTIONS): Don't define.
167         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
168         GLIBC_DYNAMIC_LINKER.
169         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
170         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
171         GLIBC_DYNAMIC_LINKER64): Define.
172         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
173         LINUX_DYNAMIC_LINKER64.
174         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
175         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
176         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
177         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
178         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
179         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
180         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
181         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
182         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
183         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
184         and LINUX_DYNAMIC_LINKER32.
185         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
186         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
187         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
188         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
189         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
190         TARGET_GLIBC.
191         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
192         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
193         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
194         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
195         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
196         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
197         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
198         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
199         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
200         LINUX_DYNAMIC_LINKER): Define.
201         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
202         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
203         GLIBC_DYNAMIC_LINKER64): Define.
204         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
205         LINUX_DYNAMIC_LINKER64.
206         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
207         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
208         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
209         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
210         LINUX_DYNAMIC_LINKER): Define.
211         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
212         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
213         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
214         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
215         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
216         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
217         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
218         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
219         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
220         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
221         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
222         * doc/invoke.texi (-muclibc): Remove caveat about supported
223         targets.
224
225 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
226
227         * doc/cpp.texi (__TIMESTAMP__): Document.
228
229 2006-02-17  Roger Sayle  <roger@eyesopen.com>
230
231         PR middle-end/25600
232         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
233         C is one less than the width of X (and related transformations).
234         * simplify_rtx.c (simplify_unary_operation_1): Transform 
235         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
236         depending on STORE_FLAG_VALUE, were C is one less then the
237         width of X.
238
239 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
240
241         Fix PR tree-optimization/26341
242         * tree-ssa-operands.c (add_virtual_operand): Remove assert 
243         about NAME_MEMORY_TAG's.
244
245 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
246
247         PR target/26255
248         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
249         with hardware float support, and software float support.  Add fcpy
250         alternative to hardware patterns.  Add alternatives to copy between
251         general and floating-point registers to the 32-bit pattern.
252         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
253         secondary reload to load a QI or HI mode constant into a floating
254         point register. 
255         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
256         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
257
258 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
259
260         PR target/26272
261         * config/rs6000/darwin.md (load_macho_picbase_si): Add
262         pc to the pattern.
263         (load_macho_picbase_di): Likewise.
264
265 2006-02-16  Jeff Law  <law@redhat.com>
266
267         * tree-vrp.c (set_value_range_to_nonnegative): New function.
268         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
269         (ssa_name_nonzero_p): Likewise.
270         (get_value_range): Return NULL if VRP is not running.
271         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
272         VRP routines do not discover a range.
273         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
274         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
275         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
276         (tree_expr_nonnegative_p): Similarly.
277         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
278         (restore_nonzero_vars_to_original_value): Remove.
279         (unsafe_associative_fp_binop): Remove.
280         (tree_ssa_dominator_optimize): Remove initialization and
281         finalization of nonzero_vars and nonzero_vars_stack.
282         (dom_opt_initialize_block): No longer push marker on
283         nonzero_vars_stack.
284         (dom_opt_finalize_block): No longer call
285         restore_nonzero_vars_to_original_value.
286         (record_equivalences_from_phis): No longer look for
287         nonzero PHI arguments.
288         (cprop_into_successor_phis): No longer propagate nonzero
289         property into PHI arguments.  Lose unused argument.  Caller
290         updated.
291         (record_equivalences_from_stmt): No longer record nonzero
292         values for SSA_NAMEs.
293         (lookup_avail_expr): No longer use nonzero_vars.
294
295         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
296         for sizetype when sizetype is unsigned.
297
298 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
299
300         PR rtl-optimization/25603
301         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
302         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
303         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p 
304         with new meaning of SETS.
305
306 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
307
308         PR target/20353
309         PR target/24578
310         PR target/24837
311         * config/linux.opt: New file.
312         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
313         LINUX_DYNAMIC_LINKER): Define.
314         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
315         * config.gcc (*-*-linux*): Define extra_options.
316         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
317         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
318         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
319         GLIBC_DYNAMIC_LINKER.
320         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
321         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
322         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
323         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
324         * doc/invoke.texi (GNU/Linux Options): New section.
325
326 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
327
328         * config/sparc/sparc.md (setjmp): Rewrite.
329         (setjmp_32): Delete.
330         (setjmp_64): Likewise.
331
332 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
333
334         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
335          previous change.
336
337 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
338
339         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
340         read-write uses.
341
342 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
343
344         PR rtl-optimization/26296
345         * Makefile.in (loop-invariant.c): Add except.h dependency.
346         * loop-invariant.c: Include except.h.
347         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
348
349 2005-02-16  Paul Brook  <paul@codesourcery.com>
350
351         * reload1.c (emit_reload_insns): Invalidate dead input registers used
352         for reloads.
353
354 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
355
356         PR rtl-optimization/25636
357         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
358         when deciding whether an insn is an initializing insn.
359
360 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
361
362         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
363         (tree_code_size): Ditto.
364         * tree.h (struct tree_memory_tag): Remove parent_var.
365         (struct tree_struct_field_tag): New.
366         (SFT_OFFSET): New.
367         (SFT_SIZE): New.
368         (union tree_node): Add sft member.
369         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
370         specially here.
371         (create_sft): Add size and offset argument, set SFT_OFFSET and
372         SFT_SIZE.
373         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
374         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
375         * tree-flow-inline.h (get_subvar_at): Update for
376         SFT_OFFSET/SFT_SIZE.
377         (var_can_have_subvars): Ditto.
378         (overlap_subvar): Ditto.
379         * print-tree.c (print_node): Print out interesting things for
380         SFT's.
381         * tree-flow.h (struct subvar): Remove offset and size members.
382         * tree-ssa-operands.c (get_expr_operands): Update for
383         get_indirect_ref_operands changes.
384         (get_indirect_ref_operands): Call add_virtual_operand instead of
385         add_stmt_operand.  Only recurse on base var if requested.
386         (access_can_touch_variable): New function.
387         (add_stmt_operand): Split virtual operand handling into ...
388         (add_virtual_operand): Here.  Add offset, size, and for_clobber
389         arguments.  Prune alias sets.
390         (add_call_clobber_ops): Call add_virtual_operand.
391         
392 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
393
394         PR middle-end/26300
395         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
396
397         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
398         than TREE_CODE as index into omp_clause_num_ops array.
399
400 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
401
402         PR rtl-optimization/26184
403         * modulo-sched.c (generate_reg_moves): Free bitmap vector
404         uses_of_defs.
405         * modulo-sched.c (sms_schedule): Free g_arr pointer.
406         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
407         must_precede, must_follow and tobe_scheduled.
408
409         PR other/26147
410         * opts.c (common_handle_option): Free new_option pointer.
411         * df-core.c (df_analyze): Free postorder pointer.
412
413 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
414
415         * Makefile.in: Fix the examples about the use of stamps
416
417 2006-02-15  Michael Matz  <matz@suse.de>
418
419         PR middle-end/22275
420
421         * stor-layout.c (layout_decl): Zero-width bitfields aren't
422         influenced by maximum_field_alignment or DECL_PACKED.
423         (update_alignment_for_field): Ditto.
424         (place_field): Ditto.
425         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
426         this behaviour.
427
428 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
429
430         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
431         (debug_flow_info): Pass it.
432         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
433         * bb-reorder.c (reorder_basic_blocks): Likewise.
434         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
435         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
436         * flow.c (life_analysis, recompute_reg_usage): Likewise.
437         * gcse.c (gcse_main, bypass_jumps): Likewise.
438         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
439         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
440         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
441         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
442         * rtl.h (dump_flow_info): Adjust prototype.
443         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
444         * var-tracking.c (variable_tracking_main): Likewise.
445         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
446         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
447         options.
448
449 2006-02-15  Marcin Dalecki <martin@dalecki.de>
450
451         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
452         construction.
453
454 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
455
456         PR tree-optimization/26209
457         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
458         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
459         eh edges.
460         * tree-cfg.c (replace_uses_by): Do not alter cfg.
461
462 2006-02-14  Roger Sayle  <roger@eyesopen.com>
463
464         PR middle-end/23670
465         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
466         (X,Y) and the corresponding symmetry related transformations.
467         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
468         (X,Y) and its symmetry related transformations.
469
470 2006-02-14  Roger Sayle  <roger@eyesopen.com>
471
472         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
473         and GEU.
474
475 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
476
477         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
478
479 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
480
481         PR bootstrap/26053
482         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
483         support COMDAT group.
484         * configure: Regenerate.
485
486 2006-02-14  Roger Sayle  <roger@eyesopen.com>
487
488         PR middle-end/26279
489         PR middle-end/26280
490         PR middle-end/26283
491         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
492
493 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
494
495         Fix PR tree-optimization/26260
496
497         * doc/invoke.texi (max-fields-for-field-sensitive): Document
498         param.
499         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
500         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
501         * tree-ssa-structalias.c (create_variable_info_for): Use
502         MAX_FIELDS_FOR_FIELD_SENSITIVE.
503         
504 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
505
506         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
507         Document.
508         * tree-ssa-loop-niter.c (number_of_iterations_ne,
509         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
510         of the ending condition.
511         * tree-ssa-loop-manip.c: Include params.h.
512         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
513         tree_unroll_loop): New functions.
514         * tree-pass.h (pass_loop_prefetch): Declare.
515         * loop.c (rest_of_handle_loop_optimize): Test for
516         -fprefetch-loop-arrays-rtl.
517         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
518         * timevar.def (TV_TREE_PREFETCH): New timevar.
519         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
520         pass_loop_prefetch): New.
521         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
522         (cleanup_tree_cfg_loop): Call scev_reset.
523         * common.opt (fprefetch-loop-arrays-rtl): Add.
524         * tree-ssa-loop-prefetch.c: New file.
525         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
526         (new_temp_expr_table): Initialize expr_vars.
527         (free_temp_expr_table): Cleanup expr_vars.
528         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
529         expressions from being merged into one.
530         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
531         (struct tree_niter_desc): Add control, bound and cmp fields.
532         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
533         Declare.
534         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
535         (tree-cfgcleanup.o): Add SCEV_H dependency.
536         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
537         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
538
539 2006-02-14  Richard Guenther  <rguenther@suse.de>
540
541         PR tree-optimization/26258
542         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
543         in PHI argument processing.
544
545 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
546
547         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
548         new expression in the requested machine mode.
549
550 2006-02-13  Roger Sayle  <roger@eyesopen.com>
551
552         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
553         directly, instead let do_compare_rtx_and_jump handle this for us.
554         * expr.c (expand_expr_real_1): Likewise.
555         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
556         before do_jump_by_parts_greater.
557         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
558         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
559
560 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
561
562         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
563
564 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
565
566         PR rtl-optimization/26235
567         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
568         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
569         format.
570
571 2006-02-13  Jeff Law  <law@redhat.com>
572
573         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
574         TRUTH_XOR_EPR.
575
576 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
577
578         PR middle-end/26092
579         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
580         twice if decl is a builtin.  When trying again, call get_callee_fndecl
581         first to verify it is still a builtin.
582
583 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
584
585         * dwarf2out.c (base_type_die): Don't add AT_name here.
586         (subrange_type_die): Don't add AT_name here.
587         (modified_type_die): Rearrange code flow.  Do add AT_name here.
588
589 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
590
591         PR rtl-optimization/26247
592         PR rtl-optimization/26248
593         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
594
595 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
596
597         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
598         * config/fixtfdi.c: Likewise.
599         * config/fixunstfdi.c: Likewise.
600         * config/floatditf.c: Likewise.
601
602 2006-02-13  Roger Sayle  <roger@eyesopen.com>
603
604         PR middle-end/24427
605         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
606         into (X,C2) if C1 is a subset of the bits of C2.  Transform
607         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
608         (X&(C1&~C2))|C2.
609         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
610
611 2006-02-13  Josh Conner  <jconner@apple.com>
612
613         PR target/25376
614         * varasm.c (function_section): Check for section name before
615         calling select_section on targets that define
616         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
617         unlikely_text_section instead of hot_function_section if
618         first_function_block_is_cold.
619
620 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
621
622         PR middle-end/25335
623         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
624
625 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
626
627         PR rtl-optimization/26222
628         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
629         after tree->rtl expansion.
630         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
631         before passing it to emit_move_insn.
632
633 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
634
635         * doc/invoke.texi (-Write-strings): Document that it is enabled by
636         default. 
637         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
638         Clarify documentation.
639         * c-common.h (warn_write_strings): Remove.
640         * c-common.c (warn_write_strings): Likewise.
641         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
642         default for C++.
643
644 2006-02-12  Roger Sayle  <roger@eyesopen.com>
645
646         PR middle-end/25724
647         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
648         (do_jump_parts_zero_rtx): New function renamed from
649         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
650         (do_jump_parts_equality_rtx): New function split out from
651         do_jump_parts_equality.  Old implementation renamed as above.
652         Call do_jump_parts_zero_rtx if either operand is zero.
653         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
654         do all of the heavy lifting.
655         (do_compare_rtx_and_jump): Handle multi-word comparisons by
656         calling either do_jump_by_parts_greater_rtx or
657         do_jump_by_parts_equality_rtx.
658         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
659         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
660         moved to do_compare_rtx_and_jump, call it directly.
661         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
662         mode argument.  Call do_compare_rtx_and_jump.
663         (emit_case_nodes): Update calls to do_jump_if_equal.
664
665 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
666
667         PR rtl-optimization/26225
668         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
669
670 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
671
672         PR rtl-optimization/26232
673         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
674
675 2006-02-11  Jason Merrill  <jason@redhat.com>
676
677         PR tree-opt/24365
678         * tree-inline.c (declare_return_variable): Just don't use the
679         modify target if it's a gimple complex reg and the return slot
680         isn't.
681
682 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
683
684         * doc/contrib.texi: Update my entry.
685
686 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
687
688         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
689
690 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
691
692         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
693         expensive.
694
695 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
696
697         * doc/invoke.texi (-floop-optimize2): Removed.
698         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
699         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
700         Test flag_branch_on_count_reg only if HAVE_doloop_end.
701         * common.opt (floop-optimize2): Removed.
702         (fmove-loop-invariants): Enabled by default.
703
704 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
705
706         * tree-if-conv.c (combine_blocks): Free the result of
707         get_loop_exit_edges.
708
709 2006-02-10  Jeff Law  <law@redhat.com>
710
711         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
712
713         PR tree-optimization/26213
714         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
715         loop trying to follow SSA_NAME_VALUE chains.
716
717 2006-02-10  Richard Guenther  <rguenther@suse.de>
718
719         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
720         deal with structures that end in implicitly variable sized arrays.
721
722 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
723
724         PR rtl-optimization/24762
725         * df-scan.c (df_bb_refs_record): Record correct registers defined on
726         eh edges.
727
728 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
729
730         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
731         (struct ivopts_data): Add regs_used field.
732         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
733         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
734         instead of loop_data->regs_used;
735         (free_loop_data): Do not free aux fields for loops.
736         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
737         and tree_ssa_iv_optimize_finalize.
738
739 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
740
741         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
742
743 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
744
745         PR target/26141
746         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
747         computing the effective result type.
748
749 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
750
751         PR inline-asm/16194
752         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
753         (tree_overlaps_hard_reg_set): Declare.
754         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
755         type and signature to match function type expected by walk_tree.
756         (tree_overlaps_hard_reg_set): New function.
757         (decl_conflicts_with_clobbers_p): Rename to:
758         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
759         Use tree_overlaps_hard_reg_set.  Changed caller.
760         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
761         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
762         * cris.c (cris_md_asm_clobbers): Likewise.
763
764 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
765
766         * reload1.c (emit_input_reload_insns): Delete code that tries to
767         inherit using find_equiv_reg.
768
769 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
770
771         * c-common.h (flag_const_strings): Don't declare.
772         * c-common.c (flag_const_strings): Remove.
773         * c.opt (fconst_strings): Remove.
774         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
775         <OPT_Wwrite_strings>: Don't set flag_const_strings.
776         (c_common_init_options): Don't set flag_const_strings.
777         * doc/invoke.texi (-fno-const-strings): Remove documentation.
778
779 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
780
781         * arm.md (tlobits_cbranch): New pattern.
782         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
783         testing a single bit.
784
785 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
786
787         PR tree-opt/26179
788         * tree-ssa-pre.c (create_component_ref_by_pieces):
789         Handle RETURN_DECL like VAR_DECL.
790
791 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
792
793         PR middle-end/26134
794         * fold-const.c (fold_indirect_ref_1): Fold 
795         "*(foo *)&complexfoo" to "__real__ complexfoo"
796         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
797
798 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
799
800         * tree-flow-inline.h (var_can_have_subvars): 
801         Volatile variables should not have subvariables.
802
803 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
804
805         PR 26180
806         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
807         multiplying unsigned values.
808         Tidy comments.
809
810 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
811
812         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
813
814 2006-02-08  Jason Merrill  <jason@redhat.com>
815
816         PR c++/25979
817         * tree.def: Elaborate on difference from MODIFY_EXPR.
818         * doc/c-tree.texi (INIT_EXPR): Likewise.
819         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
820         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
821         (gimplify_target_expr): Likewise.
822         (gimplify_cond_expr): Remove target handling.
823         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
824         (gimplify_expr): Clobber it here.
825         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
826         Do return slot optimization if we have an INIT_EXPR.
827
828         PR tree-opt/24365
829         * tree-inline.c (declare_return_variable): Also clear 
830         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
831
832         PR c++/16405
833         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
834
835         PR middle-end/22439
836         * gimplify.c (gimplify_one_sizepos): Fix typo.
837
838 2006-02-08  Jeff Law  <law@redhat.com>
839
840         PR tree-optimization/21417
841         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
842         across a backedge if the control statement at the end of the
843         block is data dependent on other statements in the same block.
844         (record_temporary_equivalences_from_stmts): Remove over-conservative
845         test for threading across backedges.
846
847         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
848         control statement, handle all three special cases in the same
849         manner as they all have the same desired solution.  No longer
850         special case edge flag updating when the post dominator is
851         the exit block.
852
853 2006-02-08  Roger Sayle  <roger@eyesopen.com>
854
855         * tree.def (CHAR_TYPE): Remove.
856         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
857         * dwarf2out.c (base_type_die, is_base_type): Likewise.
858         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
859         (gen_string_type_die): Delete unreachable function.
860
861         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
862         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
863         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
864         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
865         * builtins.c (type_to_class): Likewise.
866         * fold-const.c (fold_convert, build_range_check,
867         merge_ranges): Likewise.
868         * expr.c (count_type_elements): Likewise.
869         * c-pretty-print.c (pp_c_type_specifier): Likewise.
870         * stor-layout.c (layout_type): Likewise.
871         * ipa-type-escape.c (type_to_consider): Likewise.
872         * gimplify.c (omp_firstprivatize_type_sizes,
873         gimplify_type_sizes): Likewise.
874         * explow.c (promote_mode): Likewise.
875         * tree-sra.c (is_sra_scalar_type): Likewise.
876         * varasm.c (output_constant): Likewise.
877         * tree-inline.c (remap_type_1): Likewise.
878         * convert.c (convert_to_pointer, convert_to_real,
879         convert_to_integer, convert_to_complex): Likewise.
880
881 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
882
883         * df-scan.c (df_def_record_1): A set destination may
884         be a parallel regardless of mode.
885
886 2006-02-08  Roger Sayle  <roger@eyesopen.com>
887
888         PR target/22209
889         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
890         * config/mips/_tilib.c: Remove.
891         * config/fixtfdi.c: New libgcc source file.
892         * config/fixunstfdi.c: New source file.
893         * config/floatditf.c: New source file.
894         * config/floatunditf.c: New souce file.
895         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
896         files above instead of config/mips/_tilib.c.
897         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
898
899 2006-02-08  Jeff Law  <law@redhat.com>
900
901         PR tree-optimization/26169
902         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
903         threading jumps.
904
905 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
906
907         * df.h (DF_REG_SIZE): Return the length of the initialized
908         part of the array.
909
910 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
911
912         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
913         __muldf3): Return a correctly signed zero.
914
915 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
916
917         * passes.c (register_one_dump_file): Accept the current properties
918         instead of pass number.  Adjust call to dump_register.  Remove
919         duplicated code.
920         (register_dump_files): Now a wrapper around...
921         (register_dump_files_1): ... this one.  Do not modify the pass
922         structure.
923         (next_pass_1): Cosmetic fix.
924         (execute_todo): Keep second parameter only.  Use curr_properties
925         instead of fetching it from the pass structure.  Check and set
926         last_verified.
927         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
928         instead of fetching it from the pass structure.  Fix calls to
929         execute_todo.  Update curr_properties and initialize .vcg RTL dump
930         after running the pass.  Reset last_verified.
931         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
932         at the beginning.
933         (FIRST_AUTO_NUMBERED_DUMP): New.
934         (dump_register): Remove "num" parameter, assign it within the
935         function.
936         (get_dump_file_name): Modify template for dumps.
937         * tree-dump.h (dump_register): Adjust prototype.
938         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
939         (PROP_trees): Add PROP_gimple_lomp.
940         (TODO_set_props): New.
941         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
942         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
943         * cfgexpand.c (pass_expand): Destroy PROP_trees.
944
945 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
946
947         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
948         (sparc64-*-linux*): Likewise.
949         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
950         * config/sparc/t-linux: New file.
951         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
952         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
953         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
954         -m32 -mlong-double-128.
955
956         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
957         * config/alpha/t-linux: New file.
958         * config/alpha/libgcc-alpha-ldbl.ver: New file.
959
960         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
961         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
962         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
963         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
964         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
965         (CPP_ARCH32_SPEC): Remove.
966
967 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
968
969         PR tree-optimization/26145
970         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
971         bbs pointer.
972
973 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
974
975         PR target/26109
976         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
977         >= 240000 when generating code for SOM runtime.
978         (output_indirect_call): Don't use "b,l" instruction for indirect calls
979         to $$dyncall when generating code for SOM runtime..
980
981 2006-02-07  Dirk Mueller  <dmueller@suse.com>
982
983         PR c++/18150
984         * doc/invoke.texi (-Wsequence-point): Update documentation
985         that -Wsequence-point is implemented for C++ as well.
986
987 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
988
989         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
990         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
991         (LIB_SPEC): Likewise.
992         * doc/invoke.texi (SPARC options): Document -pthread.
993
994 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
995
996         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
997         PIC addresses.
998
999 2006-02-07  Roger Sayle  <roger@eyesopen.com>
1000
1001         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1002         Correct comment describing BOOLEAN_TYPE.
1003
1004 2006-02-07  Dirk Mueller  <dmueller@suse.com>
1005
1006         * c.opt: C++ frontend supports -Wdiv-by-zero.
1007         * c-opts.c (c_common_handle_option): Remove dead case.
1008
1009 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1010
1011         * configure.ac (TLS assembler check): Do not enable TLS by
1012         default on SPARC/Solaris before version 10.
1013         * configure: Regenerate.
1014
1015 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
1016
1017         * doc/invoke.texi (xl-compat): Document conversion and support
1018         routine names.
1019
1020 2006-02-07  Jeff Law  <law@redhat.com>
1021
1022         * tree-vrp.c (find_conditional_asserts): Update comments.
1023         (simplify_stmt_for_jump_threading): New.
1024         (identify_jump_threads, finalize_jump_threads): New.
1025         (vrp_finalize): Call identify_jump_threads.
1026         (execute_vrp): Call finalize_jump_threads.
1027         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1028         (vrp_element, vrp_data, vrp_element_p): Remove.
1029         (vrp_hash_elt, vrp_variables_stack): Remove.
1030         (vrp_hash, vrp_eq, record_range): Remove.
1031         (simplify_cond_and_lookup_avail_expr): Remove.
1032         (extract_range_from_cond): Remove.
1033         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1034         (simplify_stmt_for_jump_threading): New.
1035         (dom_thread_across_edge): New wrapper.
1036         (tree_ssa_dominator_optimize): No longer initialize or
1037         finalize any of the VRP datastructures.  Remove iteration
1038         step and simplify as a result of removal of iteration step.
1039         (pass_dominator): Perform a cfg cleanup after DOM.
1040         (dom_opt_finalize_block): Use the new common routines
1041         for threading jumps.  Simplify stack management slightly.
1042         No longer need to unwind VRP state.
1043         (record_equivalences_from_incoming_edge): No longer record
1044         VRP information.
1045         (eliminate_redundant_computations): No longer call
1046         simplify_cond_and_lookup_avail_expr.
1047         * tree-flow.h (potentially_threadable_block): Prototype.
1048         (thread_across_edge): Likewise.
1049         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
1050         (tree-ssa-threadedge.o): Add dependencies.
1051         * tree-ssa-threadedge.c: New file.
1052         * passes.c (init_optimization_passes): Merge PHIs before
1053         calling VRP.  Run VRP again late in the SSA optimization pipeline.
1054
1055 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1056
1057         * df-core.c (df_set_blocks): Do not dereference function pointers.
1058         (df_finish1): Likewise.
1059         (df_hybrid_search_forward): Likewise.
1060         (df_hybrid_search_backward): Likewise.
1061         (df_iterative_dataflow): Likewise.
1062         (df_analyze_problem): Likewise.
1063         (df_compact_blocks): Likewise.
1064         (df_dump): Likewise.
1065         * df-scan.c (df_rescan_blocks): Likewise.
1066         (df_record_entry_block_defs): Likewise.
1067
1068         * genconditions.c (write_conditions): Guard the definition of
1069         'insn_conditions' with the check on GCC version.
1070         (write_writer): Guard the traversal 'insn_conditions' with
1071         the check on GCC version.
1072
1073 2006-02-07  Richard Guenther  <rguenther@suse.de>
1074
1075         PR c++/26140
1076         Revert
1077         2006-01-30  Richard Guenther  <rguenther@suse.de>
1078         PR c++/23372
1079         * gimplify.c (gimplify_target_expr): Handle easy cases
1080         without creating a temporary.
1081
1082 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
1083
1084         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1085         use of float in probability computations.  Use edge probabilities
1086         in place of statically computed probabilities.
1087         (min_spec_prob): New static variable.
1088         (schedule_insns): Initialize it.
1089         (GET_SRC_PROB): Removed.
1090         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1091
1092 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
1093
1094         PR debug/24444
1095         * config/ia64/unwind-ia64.c: Revert last change.
1096         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1097         (INCOMING_FRAME_SP_OFFSET): Define.
1098
1099 2006-02-06  Roger Sayle  <roger@eyesopen.com>
1100
1101         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1102
1103 2006-02-07  Ben Elliston  <bje@au.ibm.com>
1104
1105         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1106         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1107         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1108         (ix86_return_in_memory): Handle TDmode.
1109         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1110         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1111
1112 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
1113
1114         * reorg.c (dbr_schedule): Use dump_file instead of file.
1115
1116 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
1117
1118         PR target/25917
1119         * config/ia64/predicates.md (extr_len_operand): New predicate.
1120         * config/ia64/ia64.md (extv): Tighten constraints.
1121         (extzv): Ditto.
1122         (*tbit_and_2): Ditto.
1123         (*tbit_and_3): Ditto.
1124         (*tbit_or_2): Ditto.
1125         (*tbit_or_3): Ditto.
1126         (*bit_zero): Ditto.
1127         (*bit_one): Ditto.
1128
1129 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
1130
1131         PR target/23359
1132         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1133
1134 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
1135
1136         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1137         loop_optimizer_init and loop_optimizer_finalize
1138         * tree-ssa-sink.c (execute_sink_code): Ditto.
1139         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1140         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1141         tree_ssa_loop_done): Ditto.
1142         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1143         * sched-ebb.c: Include output.h.
1144         (schedule_ebbs): Do not use dump argument.
1145         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1146         * loop.c (loop_dump_stream): Removed.
1147         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1148         argument.
1149         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1150         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1151         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1152         loop_iterations, strength_reduce, record_biv, record_giv,
1153         final_giv_value, check_final_value, check_ext_dependent_givs,
1154         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1155         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1156         dump_file instead of loop_dump_stream.
1157         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1158         argument dump_file.
1159         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1160         dump argument.
1161         * flow.c (life_analysis, rest_of_handle_life): Ditto.
1162         * haifa-sched.c: Include output.h
1163         (schedule_insns, sched_init): Do not use dump argument.
1164         * mode-switching.c (optimize_mode_switching): Ditto.
1165         * modulo-sched.c (stats_file): Removed.
1166         (print_node_sched_params): Do not call argument dump_file.
1167         (sms_schedule_by_order, loop_canon_p, sms_schedule,
1168         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
1169         of stats_file.
1170         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1171         use dump argument.
1172         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1173         rtl_loop_init, rtl_loop_done): Ditto.
1174         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1175         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1176         Ditto.
1177         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1178         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1179         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1180         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1181         * emit-rtl.c (renumber_insns): Ditto.
1182         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1183         expand_gimple_basic_block, tree_expand_cfg): Ditto.
1184         * regclass.c (regclass): Ditto.
1185         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1186         remove_ssa_form, rewrite_out_of_ssa): Ditto.
1187         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1188         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1189         Ditto.
1190         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1191         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1192         to regclass.
1193         * gcse.c (gcse_file, debug_stderr): Removed.
1194         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1195         rest_of_handle_gcse): Do not use dump argument.
1196         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1197         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1198         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1199         compute_code_hoist_vbeinout, compute_code_hoist_data,
1200         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1201         compute_store_table, build_store_vectors, insert_insn_start_bb,
1202         insert_store, remove_reachable_equiv_notes, replace_store_insn,
1203         store_motion): Use dump_file instead of gcse_file.
1204         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1205         * profile.c (profile_dump_file): Removed.
1206         (branch_prob): Use dump_file instead of profile_dump_file.
1207         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1208         dump_file.
1209         * tree-ssa-copy.c (dump_copy_of): Ditto.
1210         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1211         dump file to life_analysis.
1212         * bt-load.c (branch_target_load_optimize): Ditto.
1213         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1214         renumber_insns.
1215         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1216         regclass, dbr_schedule): Declaration changed.
1217         * sched-int.h (sched_init): Declaration changed.
1218         * tree-profile.c (tree_profile_dump_file): Removed.
1219         (tree_profile_hooks): Removed profile_dump_file hook.
1220         * rtl-profile (rtl_profile_dump_file): Removed.
1221         (rtl_profile_hooks): emoved profile_dump_file hook.
1222         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1223         changed.
1224         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1225         * tree-cfg.c (build_tree_cfg): Ditto.
1226         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1227         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1228         Declaration changed.
1229         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1230         life_analysis and schedule_insns.
1231         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1232         life_analysis.
1233         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1234         dbr_schedule.
1235         * config/mips/mips.c (mips_reorg): Ditto.
1236         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1237         schedule_ebbs.
1238
1239 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
1240
1241         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1242         (s390_mangle_fundamental_type): New.
1243         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1244         Define.
1245
1246         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1247         (alpha_mangle_fundamental_type): New.
1248         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1249         Define.
1250
1251         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1252         Define.
1253         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1254         Define.
1255         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1256         (sparc_mangle_fundamental_type): New.
1257
1258 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
1259
1260         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1261         (s390x-*-linux*): Likewise.
1262         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1263         * config/s390/t-linux: New file.
1264
1265 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1266
1267         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1268         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1269
1270 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
1271
1272         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1273         (ANTIC_SAFE_LOADS): New macro.
1274         (find_or_generate_expression): Add prototype.
1275         (set_contains_value): Allow null set for sake of not always having
1276         to allocate ANTIC_SAFE_LOADS.
1277         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1278         Allow COMPONENT_REF too.
1279         (valid_in_set): Allow COMPONENT_REF.
1280         Check ANTIC_SAFE_LOADS too.
1281         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1282         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1283         rename.
1284         (can_PRE_operation): Add COMPONENT_REF.
1285         (create_component_ref_by_pieces): New function.
1286         (create_expression_by_pieces): Use create_component_ref_by_pieces.
1287         (insert_aux): Move AGGREGATE_TYPE_P check here.
1288         (compute_avail): Set bb local stmt uids.
1289         (pass_pre): Use TODO_update_ssa_only_virtuals.
1290         
1291 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1292
1293         * configure.ac: Unconditionally disable decimal float by default.
1294         * configure: Regenerate.
1295
1296 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1297
1298         * read-rtl.c (read_name): Terminate reading on EOF.
1299
1300 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1301
1302         * dfp.c (decimal_real_arithmetic): Change second argument type
1303         from int to enum tree_code. Do not always return true, but now
1304         return result of any call to decimal_do helper functions.
1305         * dfp.h (decimal_real_arithmetic): Update prototype.
1306
1307 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1308
1309         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1310
1311 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
1312
1313         PR tree-opt/25251
1314         * tree-cfg.c (cleanup_dead_labels): Also don't remove
1315         forced labels.
1316
1317 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1318
1319         * tree-vrp.c (cfg_loops): Removed.
1320         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1321         Use current_loops instead of cfg_loops.  Pass flags to
1322         loop_optimizer_init.
1323         * cfgloopmanip.c (fix_loop_structure): Update only available
1324         information.
1325         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1326         loop_optimizer_init.
1327         * modulo-sched.c (build_loops_structure): Removed.
1328         (sms_schedule): Use loop_optimizer_init.
1329         * loop-init.c (loop_optimizer_init): Use flags to determine
1330         which properties of loops to prepare.
1331         (rtl_loop_init): Pass flags to loop_optimizer_init.
1332         * tree-ssa-sink.c (execute_sink_code): Ditto.
1333         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1334         * tree-ssa-pre.c (init_pre): Ditto.
1335         * cfgloop.h (LOOPS_NORMAL): New.
1336         (loop_optimizer_init): Declaration changed.
1337
1338 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1339
1340         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1341         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1342         pa/t-pa.
1343         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1344         pa/t-pa.
1345         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1346         pa/x-ada.
1347         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1348         * pa/t-pa64: Delete quadlib.c rule.
1349         * pa/x-ada: Revert last change.
1350         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
1351
1352 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1353
1354         PR rtl-optimization/26087
1355         * rtlanal.c (canonicalize_condition): Do not cross basic block
1356         boundaries.
1357
1358 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
1359
1360         PR debug/24444
1361         * config/ia64/ia64.c: Include debug.h.
1362         (MAX_ARTIFICIAL_LABEL_BYTES): New.
1363         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1364         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1365         (process_epilogue, process_set, process_for_unwind_directive):
1366         Output unwind info only if requested.  Add CFA info if requested.
1367         Add new arguments as needed.  Adjust callers.
1368         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1369         incorrect default.
1370         (DWARF2_FRAME_INFO): Define to zero.
1371         * config/ia64/unwind-ia64.c: Remove code that compensated for
1372         the CFA offset error fixed above.
1373         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1374         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1375         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1376         -funwind-tables and -fexceptions to enable frame info.
1377         (dwarf2out_frame_init): Define initial CFA even if
1378         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
1379         DWARF2_UNWIND_INFO is nonzero, not just defined.
1380         (dwarf2out_frame_finish): Output non-EH call frame info only
1381         if DWARF2_FRAME_INFO is nonzero.
1382         (convert_cfa_to_loc_list,
1383         compute_frame_pointer_to_cfa_displacement): Define even if
1384         unwind info is not supported.
1385         (gen_subprogram_die): Use the above unconditionally.  Remove
1386         legacy alternate code.
1387         * toplev.c (compile_file): Compile in call to
1388         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1389         (lang_dependent_init): Ditto for dwarf2out_frame_init.
1390
1391 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
1392             Jakub Jelinek  <jakub@redhat.com>
1393
1394         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1395         IBM extended float format long double as "g" on powerpc*-linux.
1396
1397 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1398
1399         PR target/25926
1400         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1401         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1402
1403 2006-02-03  Jason Merrill  <jason@redhat.com>
1404
1405         PR c++/25979
1406         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1407
1408         PR middle-end/25977
1409         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1410         on the return slot if it's an NRV.
1411
1412 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
1413
1414         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1415         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1416         rewrite_use): Do not handle USE_OUTER.
1417         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1418         add_iv_outer_candidates, may_replace_final_value,
1419         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1420         (find_interesting_uses_op): Functionality of
1421         find_interesting_uses_outer_or_nonlin moved here.
1422         (find_interesting_uses_outside): Use find_interesting_uses_op.
1423
1424 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
1425
1426         PR target/25960
1427         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1428
1429 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1430             Ulrich Weigand  <uweigand@de.ibm.com>
1431
1432         PR target/25864
1433         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1434         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1435         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1436         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
1437         and dxr fields.
1438         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1439         (s390_rtx_costs): Use the new fields to calculate rtx costs.
1440         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1441         Define secondary reloads for TFmode moves.
1442         (constant_modes): Add TFmode.
1443         (NR_C_MODES): Set to 8.
1444         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1445         builtin define.
1446         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1447         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1448         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
1449         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1450         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
1451         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1452         (FPR mode macro): Add TFmode.
1453         (DSF mode macro): New.
1454         (<de>, <dee> mode attributes): Removed.
1455         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1456         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
1457         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
1458         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
1459         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
1460         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
1461         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1462         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
1463         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
1464         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1465         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
1466         "*negabs<mode>2", "sqrt<mode>2"):
1467         Changed <de> to <xde>. R constraint replaced by <Rf>.
1468         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
1469         <Rf>.
1470         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1471         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1472         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
1473         splitters.
1474         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
1475         "extenddftf2", "extendsftf2"): New expanders.
1476         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
1477         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1478         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1479         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1480         New options.
1481         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1482         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
1483         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1484         __floatditf): Add a GCC_4.1.0 symbol version tag.
1485         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1486         the new options.
1487
1488 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
1489
1490         PR target/25377
1491         * config/i386/i386.c (ix86_function_ok_for_sibcall):
1492         Use targetm.binds_local_p instead of TREE_PUBLIC.
1493
1494 2006-02-02  Roger Sayle  <roger@eyesopen.com>
1495
1496         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1497         on INTEGER_TYPEs to indicate that it denotes a character type.
1498         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1499         signed_char_type_node, unsigned_char_type_node and char_type_node.
1500         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1501         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
1502         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1503
1504 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
1505             Daniel Berlin  <dberlin@dberlin.org>
1506
1507         * tree-tailcall.c (arg_needs_copy_p): New function.
1508         (eliminate_tail_call): Use arg_needs_copy_p.
1509         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1510         (add_virtual_phis): New function.
1511
1512 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
1513
1514         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1515         #ignore instead of #scratch for %g7 .register directive.
1516
1517 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
1518
1519         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1520         object files.
1521
1522 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1523
1524         * flow.c (calculate_global_regs_live): Assert that there aren't any
1525         EDGE_FAKE edges.
1526
1527 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
1528
1529         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1530         what its name says.
1531         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1532         bsi_after_labels iterator.
1533         * tree-if-conv.c (find_phi_replacement_condition,
1534         replace_phi_with_cond_modify_expr): Likewise.
1535         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1536         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1537
1538 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1539
1540         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1541
1542 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1543
1544         PR 25990
1545         * tree-cfg.c (move_block_to_fn): Clear out the basic block
1546         array after growing it.
1547
1548 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1549
1550         PR middle-end/24901
1551         * fold-const.c (fold_checksum_tree): Change type of buf.
1552
1553 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
1554
1555         * reload.c (push_secondary_reload): Initialize t_icode.
1556
1557 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
1558
1559         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1560         -msoft-float -mlong-double-128 only issue a warning, but don't
1561         swich to DFmode long double.
1562
1563 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
1564
1565         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1566         has a constant equivalent, iterate over equivalents for arg0,
1567         calling simplify_relational_operation and if there's a result
1568         cheaper than X, apply fold_rtx and return the result.
1569
1570 2006-02-01  Jan Hubicka  <jh@suse.cz>
1571
1572         * opts.c (no_unit_at_a_time_default): New global variable.
1573         (decode_options): Use it.
1574         * opts.h (no_unit_at_a_time_default): Declare.
1575
1576 2006-02-01  Paul Brook  <paul@codesourcery.com>
1577
1578         * function.c (assign_parm_setup_reg): Use function argument promotion
1579         rules.
1580         * expr.c (expand_expr_real_1): Use function argument promotion rules
1581         for PARM_DECLs.
1582
1583 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1584
1585         * gcc.c (process_command): Change j to 'unsigned int'.
1586
1587 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1588
1589         PR middle-end/26001
1590         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1591         Use the corrected index for the character
1592         out of the string constant.
1593
1594 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1595
1596         * mode-switching.c (optimize_mode_switching): Fix size
1597         allocated for bb_info[n_entities].
1598
1599 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1600
1601         * gcc.c (main): Correct type that is allocated for
1602         explicit_link_files.
1603
1604 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
1605
1606         * config/s390/s390.c (init_alignment_context): Set
1607         ALIAS_SET_MEMORY_BARRIER on the MEM.
1608         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1609
1610 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
1611
1612         PR middle-end/25933
1613         * loop-unroll.c (unroll_loop_runtime_iterations): Free
1614         dom_bbs pointer.
1615         * tree-ssa-live.c (type_var_init): Allocate bitmap after
1616         call to tpa_init.
1617
1618 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
1619
1620         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1621         * regrename.c: Ditto.
1622         * tree-ssa-loop-im.c: Ditto.
1623         * tree-dump.c: Ditto.
1624         * tree-complex.c: Ditto.
1625         * genrecog.c: Ditto.
1626         * tree-ssa-threadupdate.c: Ditto.
1627         * tracer.c: Ditto.
1628         * java/class.c: Ditto.
1629         * java/jcf-parse.c: Ditto.
1630         * java/resource.c: Ditto.
1631         * java/except.c: Ditto.
1632         * java/jvspec.c: Ditto.
1633         * java/jcf-write.c: Ditto.
1634         * java/jcf-path.c: Ditto.
1635         * java/gjavah.c: Ditto.
1636         * java/zextract.c: Ditto.
1637         * java/jcf-io.c: Ditto.
1638         * java/jcf.h: Ditto.
1639         * java/buffer.c: Ditto.
1640         * java/lang.c: Ditto.
1641         * java/parse-scan.y: Ditto.
1642         * java/lex.c: Ditto.
1643         * java/lex.h: Ditto.
1644         * cfgloopmanip.c: Ditto.
1645         * postreload-gcse.c: Ditto.
1646         * tree-ssa-loop-manip.c: Ditto.
1647         * postreload.c: Ditto.
1648         * tree-ssa-loop-ch.c: Ditto.
1649         * loop.c: Ditto.
1650         * ipa-cp.c: Ditto.
1651         * cppspec.c: Ditto.
1652         * diagnostic.c: Ditto.
1653         * final.c: Ditto.
1654         * genoutput.c: Ditto.
1655         * gcc.c: Ditto.
1656         * cfghooks.c: Ditto.
1657         * cfgloopanal.c: Ditto.
1658         * objc/objc-act.c: Ditto.
1659         * gcov.c: Ditto.
1660         * genextract.c: Ditto.
1661         * genautomata.c: Ditto.
1662         * pretty-print.c: Ditto.
1663         * genemit.c: Ditto.
1664         * cgraphunit.c: Ditto.
1665         * flow.c: Ditto.
1666         * df-scan.c: Ditto.
1667         * haifa-sched.c: Ditto.
1668         * dominance.c: Ditto.
1669         * dbxout.c: Ditto.
1670         * tree-ssa-loop-ivopts.c: Ditto.
1671         * df-core.c: Ditto.
1672         * mode-switching.c: Ditto.
1673         * modulo-sched.c: Ditto.
1674         * graph.c: Ditto.
1675         * ipa-pure-const.c: Ditto.
1676         * cse.c: Ditto.
1677         * fix-header.c: Ditto.
1678         * web.c: Ditto.
1679         * tree-stdarg.c: Ditto.
1680         * ipa-utils.c: Ditto.
1681         * loop-init.c: Ditto.
1682         * ipa-inline.c: Ditto.
1683         * cfganal.c: Ditto.
1684         * global.c: Ditto.
1685         * alloc-pool.c: Ditto.
1686         * dwarf2out.c: Ditto.
1687         * opts.c: Ditto.
1688         * genattrtab.c: Ditto.
1689         * tree-ssa-loop-ivcanon.c: Ditto.
1690         * predict.c: Ditto.
1691         * timevar.c: Ditto.
1692         * lcm.c: Ditto.
1693         * fortran/gfortranspec.c: Ditto.
1694         * regmove.c: Ditto.
1695         * local-alloc.c: Ditto.
1696         * langhooks.c: Ditto.
1697         * function.c: Ditto.
1698         * tree-vectorizer.c: Ditto.
1699         * gcse.c: Ditto.
1700         * ipa-type-escape.c: Ditto.
1701         * alias.c: Ditto.
1702         * tree-if-conv.c: Ditto.
1703         * profile.c: Ditto.
1704         * ipa.c: Ditto.
1705         * tree-data-ref.c: Ditto.
1706         * loop-unroll.c: Ditto.
1707         * treelang/treetree.c: Ditto.
1708         * calls.c: Ditto.
1709         * bt-load.c: Ditto.
1710         * ggc-common.c: Ditto.
1711         * except.c: Ditto.
1712         * coverage.c: Ditto.
1713         * cselib.c: Ditto.
1714         * tree-cfgcleanup.c: Ditto.
1715         * tree-ssa-pre.c: Ditto.
1716         * cfgcleanup.c: Ditto.
1717         * loop-invariant.c: Ditto.
1718         * loop-iv.c: Ditto.
1719         * ipa-prop.c: Ditto.
1720         * print-tree.c: Ditto.
1721         * conflict.c: Ditto.
1722         * ggc-page.c: Ditto.
1723         * sched-deps.c: Ditto.
1724         * regclass.c: Ditto.
1725         * tree-object-size.c: Ditto.
1726         * combine.c: Ditto.
1727         * bb-reorder.c: Ditto.
1728         * resource.c: Ditto.
1729         * var-tracking.c: Ditto.
1730         * cfgloop.c: Ditto.
1731         * df-problems.c: Ditto.
1732         * reg-stack.c: Ditto.
1733         * tlink.c: Ditto.
1734         * gccspec.c: Ditto.
1735         * sched-rgn.c: Ditto.
1736         * tree-ssa-structalias.c: Ditto.
1737         * tree-ssa-reassoc.c: Ditto.
1738         * config/darwin-c.c: Ditto.
1739         * config/darwin.c: Ditto.
1740         * config/arm/arm.c: Ditto.
1741         * cfgrtl.c: Ditto.
1742         * collect2.c: Ditto.
1743         * reload1.c: Ditto.
1744
1745 2006-01-31  Nicolas Pitre  <nico@cam.org>
1746
1747         * arm.md (smaxsi3): Make aware of smax_m1.
1748         (smax_m1): New.
1749
1750 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1751
1752         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1753
1754 2006-01-31  Richard Guenther  <rguenther@suse.de>
1755
1756         * doc/invoke.texi (-msselibm): Document.
1757         * target.h (expand_library_builtin): New target hook.
1758         * builtins.c (expand_builtin): Use expand_library_builtin.
1759         (default_expand_library_builtin): New function.
1760         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1761         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1762         (link_gcc_math_spec): Declare.
1763         (static_specs): Add link_gcc_math_spec.
1764         * expr.h (default_expand_library_builtin): Declare.
1765         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1766         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1767         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1768         * config/i386/i386.opt (msselibm): New target option.
1769         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1770         (ix86_init_sse_abi_builtins): New function.
1771         (ix86_expand_library_builtin): Likewise.
1772         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1773         (override_options): Handle error conditions wrt -msselibm.
1774         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1775         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1776         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1777         builtins.
1778
1779 2006-01-31  Richard Guenther  <rguenther@suse.de>
1780         Paolo Bonzini  <bonzini@gnu.org>
1781
1782         * doc/install.texi (--disable-libgcc-math): Document.
1783
1784 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1785
1786         * expr.h (expand_normal): new inline function.
1787         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1788         * dojump.c: use it.
1789         * dwarf2out.c: use it.
1790         * expr.c: use it.
1791         * calls.c: use it.
1792         * expmed.c: use it.
1793         * except.c: use it.
1794         * config/sparc/sparc.c: use it.
1795         * config/i386/i386.c: use it.
1796         * config/rs6000/rs6000.c: use it.
1797         * config/arm/arm.c: use it.
1798         * config/mips/mips.c: use it.
1799         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1800
1801 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1802
1803         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1804         argv to the appropriate type.
1805
1806 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1807
1808         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1809         unreachable code.
1810
1811 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1812
1813         PR target/26018
1814         * config/s390/s390.c (struct machine_function): New flag
1815         decomposed_literal_pool_addresses_ok_p.
1816         (s390_reorg): Set it before final stage of literal pool transforms.
1817         (s390_decompose_address): Only accept displacements of the form
1818         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1819
1820 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1821
1822         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1823         the comparison routine return.
1824
1825 2006-01-30  Michael Matz  <matz@suse.de>
1826
1827         * global.c (find_reg): Only evict for global regs.
1828         Take n_refs into account and dump more info.
1829
1830 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1831
1832         PR target/14798:
1833         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1834         (pragma_trap, pragma_nosave_low_regs): Likewise.
1835         (current_function_anonymous_args): Likewise.
1836         (sh_deferred_function_attributes): New variable.
1837         (sh_deferred_function_attributes_tail): Likewise.
1838         (print_operand): For '@', look up trap_exit attribute.
1839         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1840         handlers, save/restore fpscr, but don't do any other
1841         interrupt-specific saves.
1842         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1843         Fix check for partially saved registers to check for SHmedia.
1844         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1845         (sh_output_function_epilogue): Don't clear any of the removed
1846         variables.
1847         (sh_insert_attributes): Don't check pragma_interrupt.
1848         Insert deferred attributes.  Check that interrupt attribute is
1849         present for other attributes that require its presence.
1850         (sh_attribute_table): Add new attributes trapa_handler and
1851         nosave_low_regs.
1852         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1853         Don't check for pragma_interrupt.  Don't store argument.
1854         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1855         (sh_deferred_function_attributes): Declare.
1856         (sh_deferred_function_attributes_tail): Likewise.
1857         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1858         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1859         (*return_i): Don't use when trap_exit attribute is in effect.
1860         (*return_trapa): New insn pattern.
1861         * sh-c.c: New file.
1862         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1863         setting c_target_objs and cxx_target_objs.
1864         * t-sh: Add rule for sh-c.o.
1865
1866 2006-01-30  Richard Guenther  <rguenther@suse.de>
1867
1868         PR c++/23372
1869         * gimplify.c (gimplify_target_expr): Handle easy cases
1870         without creating a temporary.
1871
1872 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1873
1874         * vec.h (safe_grow): Remove duplicated line.
1875
1876 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1877
1878         PR 25874
1879         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1880         (expand_omp): ... here.
1881         (expand_omp_parallel): Only remove barriers for combined
1882         parallel+workshare constructs.
1883
1884 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1885
1886         Revert
1887
1888         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1889         * tree.c (build_qualified_type): Chain the new type to the original
1890         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1891         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1892         (build_pointer_type_for_mode): Only return unqualified types.
1893         (build_reference_type_for_mode): Likewise.
1894
1895 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1896
1897         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1898         * Makefile.in (CXX_COMPAT_WARN): Define.
1899         * configure: Regenerate.
1900
1901 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1902
1903         PR tree-opt/25911
1904         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1905         to an if check.
1906
1907 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1908
1909         * toplev.c: Fix thinko.
1910
1911 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1912             Marcin Dalecki  <martin@dalecki.de>
1913
1914         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1915         (push_srcloc): Use XNEW.
1916         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1917
1918 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1919
1920         * df-core.c (df_set_blocks): Deleted all variable.
1921
1922 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1923
1924         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1925         cgraph_output_pending_asms.
1926
1927 2006-01-28  Zack Weinberg  <zackw@panix.com>
1928
1929         * c.opt: Add -W(no-)overlength-strings.
1930         * doc/invoke.texi: Document it.
1931         * c-opts.c (c_common_handle_option): -pedantic implies
1932         -Woverlength-strings, if not explicitly disabled already.
1933         (c_common_post_options): -Woverlength-strings defaults to off, and
1934         is always off for C++.
1935         * c-common.c (fix_string_type): Issue warning about strings longer
1936         than is portable only if warn_overlength_strings.  Rearrange code
1937         a little for clarity.
1938         * configure.in: Check for -Wno-overlength-strings as well before
1939         enabling -pedantic in stage 1.
1940         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1941         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1942
1943         * genconditions.c (write_header, write_one_condition)
1944         (write_conditions, write_writer): Consolidate very long strings
1945         that were broken up to fit in C89 portable limit.  Don't use
1946         printf when fputs will do.
1947
1948 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1949
1950         * combine.c (simplify_comparison <AND>): Check
1951         TRULY_NOOP_TRUNCATION before start using a subreg.
1952
1953         * config/mips/mips.md (*branch_zero<mode>,
1954         *branch_zero<mode>_inverted, *branch_equality<mode>,
1955         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1956         Remove mode check from comparisons.
1957
1958 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1959
1960         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1961
1962 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1963
1964         * expmed.c (const_mult_add_overflow_p): Remove.
1965         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1966
1967         * recog.c (validate_replace_rtx_subexp): Remove.
1968         * recog.h: Remove the prototype for
1969         validate_replace_rtx_subexp.
1970
1971         * integrate.h: Remove the prototype for
1972         copy_decl_for_inlining.
1973         * rtl.h: Remove the prototype for mark_constant_function.
1974         * tree-vectorizer.h: Remove the prototype for
1975         vect_strip_conversion.
1976
1977         * modulo-sched.c (create_partial_schedule,
1978         free_partial_schedule, reset_partial_schedule): Make them
1979         static.
1980
1981         * hooks.c (hook_bool_rtx_int_false): Remove.
1982         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1983
1984 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1985
1986         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1987         and -mlong-double-128 are incompatible.
1988         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1989         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1990         (TARGET_LIBGCC2_CFLAGS): Define.
1991         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1992         (TARGET_LIBGCC2_CFLAGS): Same.
1993         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1994
1995 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1996
1997         PR c/19606.
1998         * c-typeck.c (build_binary_op): Perform implicit casts of
1999         operands before shortening them.
2000
2001         * cfgloopmanip.c (split_loop_bb): Remove.
2002         * cfgloop.h: Remove the prototype for split_loop_bb.
2003
2004         * cfgloop.c (flow_loop_outside_edge_p): Remove.
2005         * cfgloop.h: Remove the prototype for
2006         flow_loop_outside_edge_p.
2007
2008         * emit-rtl.c (init_virtual_regs): Make it static.
2009         * function.h: Remove the prototype for init_virtual_regs.
2010
2011         * recog.c (peephole2_optimize): Make it static.
2012         * recog.h: Remove the prototype for peephole2_optimize.
2013
2014 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2015
2016         * df-scan.c (df_record_entry_block_defs): Check if
2017         INCOMING_RETURN_ADDR_RTX is defined.
2018
2019 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
2020             Kenneth Zadeck <zadeck@naturalbridge.com>
2021
2022         PR rtl-optimization/24762
2023         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2024         * targhooks.c (hook_void_bitmap): New hook prototype.
2025         * targhoohs.h (hook_void_bitmap): Ditto.
2026         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2027         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2028         * target.h (live_on_entry): New function pointer.
2029         * df-scan.c (df_all_hard_regs): Removed.
2030         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2031         (df_scan_free_internal): Added df->entry_block_defs.
2032         (df_scan_alloc): Ditto.
2033         (df_scan_dump): Ditto.
2034         (df_uses_record): Plumbed flag field properly thru calls.
2035         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2036         This part fixes PR24762.
2037         (df_bb_refs_record): Added code to make the frame and arg
2038         pointers live in EH blocks.
2039         (df_refs_record): Added call to df_record_entry_block_defs.
2040         (df_record_entry_block_defs): New function.
2041         * df-core.c: Added comments to describe new artifical defs.
2042         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2043         (entry_block_defs): New field in struct df.
2044         (df_all_hard_regs): Deleted.
2045         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2046         * df-problems.c (df_ru_bb_local_compute_process_def):
2047         Added code to handle artifical defs in the entry to a function.
2048         (df_ru_bb_local_compute): Ditto.
2049         (df_rd_bb_local_compute_process_def):  Ditto.
2050         (df_rd_bb_local_compute): Ditto.
2051         (df_lr_bb_local_compute): Ditto.
2052         (df_ur_bb_local_compute): Ditto.
2053         (df_urec_bb_local_compute):  Ditto.
2054         (df_chain_create_bb):  Ditto.
2055         (df_ur_local_finalize): Removed entry.
2056         (df_urec_init): Ditto.
2057         (df_urec_local_finalize): Ditto.
2058         (df_ri_bb_compute): Added detection of last use of pseudos.
2059         * Makefile.in (df-scan.o): Updated dependencies.
2060         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2061         * config/mips/mips.c (mips_set_live_on_entry): Added.
2062         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2063         for target hook.
2064         * dce.c (marked_insn_p): Added code to handle artifical defs.
2065
2066 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2067
2068         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2069         intrinsic.
2070         (_mm_cvtsi128_si64): Likewise.
2071         (_mm_cvtsd_si64): Likewise.
2072         (_mm_cvttsd_si64): Likewise.
2073         (_mm_cvtsi64_sd): Likewise.
2074         (_mm_cvtsi64_si128): Likewise.
2075         * config/i386/mmintrin.h (_m_from_int64): Likewise.
2076         (_mm_cvtsi64_m64): Likewise.
2077         (_m_to_int64): Likewise.
2078         (_mm_cvtm64_si64): Likewise.
2079         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2080         (_mm_cvttss_si64): Likewise.
2081         (_mm_cvtsi64_ss): Likewise.
2082         (_mm_cvtss_f32): Likewise.
2083
2084 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
2085
2086         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2087         for pragma redefine_extname.
2088
2089 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
2090
2091         PR target/25864
2092         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2093         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2094         -mno-minimal-toc to previous content.
2095         (bispecs): Remove goal.
2096         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2097         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2098         compatibility aliases on powerpc-*-*gnu*.
2099         * config/rs6000/libgcc-ppc-glibc.ver: New file.
2100         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2101         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2102         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2103         (ldblspecs): New goal.
2104         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2105         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2106         _df_to_tf.
2107         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2108         L_sf_to_tf or L_df_to_tf is defined.
2109
2110 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
2111             Alan Modra  <amodra@bigpond.net.au>
2112
2113         PR target/25864
2114         * config/rs6000/linux.h (POWERPC_LINUX): Define.
2115         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2116         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2117         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2118         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2119         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2120         (rs6000_override_options): Initialize rs6000_ieeequad.
2121         Initialize TFmode format to ibm_extended_format if not
2122         TARGET_IEEEQUAD.
2123         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2124         ieeelongdouble.
2125         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2126         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2127         (function_arg_advance): IBM long double passed in two FPRs, not
2128         split.
2129         (function_arg): IBM long double passed in FPRs.
2130         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2131         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2132         Only multireg GPR aligned.
2133         (rs6000_init_libfuncs): Enable IBM long double functions if not
2134         IEEEQUAD.
2135         (rs6000_generate_compare): Use IBM long double compare if not
2136         TARGET_IEEEQUAD.
2137         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2138         (TARGET_IEEEQUAD): Define.
2139         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2140         not TARGET_IEEEQUAD.
2141         * config/rs6000/rs6000.md: Enable TFmode patterns if
2142         !TARGET_IEEEQUAD.
2143         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2144         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2145         and -mlong-double-128 are incompatible.
2146         * doc/invoke.texi (-mabi): Collect options together.  Add
2147         ibmlongdouble and ieeelongdouble.
2148
2149 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
2150
2151         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2152         opaque type.
2153         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2154         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2155         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2156         * rtl.h (rtunion_def): Remove rt_ptr.
2157         (X0PTR): Delete.
2158         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2159         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2160         * config/i386/winnt.c (i386_pe_mark_dllexport)
2161         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2162
2163 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2164
2165         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2166
2167 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
2168
2169         PR other/24829
2170         PR target/24831
2171         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2172         pthread_key_delete.  From John David Anglin.  gthrw-ify
2173         pthread_getunique_np only if it it's not a macro.  Delete
2174         UNUSED macro.
2175         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2176         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2177         __gthread_objc_condition_signal, __gthread_key_delete): Add
2178         "__attribute__ ((__unused__))" to unused arguments.
2179         (__gthread_recursive_mutex_init_function): Add missing return.
2180         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2181         gthr-posix95.h: Use macro-based approach for name redirection
2182         on targets missing weakref.
2183
2184 2006-01-26  Zack Weinberg  <zackw@panix.com>
2185
2186         * genconditions.c (write_header): In generated code, #ifdef out
2187         all includes and fake declarations, except includes of bconfig.h
2188         and system.h, unless GCC_VERSION >= 3001.  Do not include
2189         gensupport.h in any case.
2190         (write_conditions): Generate a definition of struct c_test.  Add
2191         a comment to the generated #endif.
2192         (write_one_condition): Escape backslashes in string too.
2193         (write_writer): Generated code must escape backslashes and quote
2194         marks (but not newlines) in the strings it writes.
2195         * Makefile.in (build/gencondmd.o): Update dependencies.
2196
2197 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
2198
2199         PR target/25961
2200         * Makefile.in (insn-automata.o): Add header file dependencies.
2201         * genautomata.c: Add includes.
2202
2203 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
2204
2205         PR target/25961
2206         * Makefile.in (insn-automata.o): Add -Wno-error flag.
2207
2208 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
2209
2210         * configure.ac: Expect target tools paths to be passed from the toplevel
2211         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
2212         AS_SET_VAR_IF.
2213         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2214
2215 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
2216
2217         PR c/25892
2218         * c.opt (Wpointer-sign): Init to -1.
2219         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2220         OPT_pedantic, to 0 otherwise.
2221         * doc/invoke.texi: Update.
2222
2223 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
2224
2225         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2226         constants provided by 80387 instructions in the destination mode.
2227
2228 2006-01-26  Richard Guenther  <rguenther@suse.de>
2229             Andrew Pinski  <pinskia@physics.uc.edu>
2230
2231         PR tree-opt/21470
2232         partial PR tree-opt/17064
2233         * tree-ssa-structalias.c (intra_create_variable_infos):
2234         Create heap variables for incoming parameters if
2235         flag_argument_noalias > 1.
2236         (find_what_p_points_to): Look through default defs of
2237         parameter decls.
2238
2239 2006-01-26  Jeff Law  <law@redhat.com>
2240
2241         PR ada/25900
2242         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2243         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2244         within the VR_RANGE, use the VR_RANGE as the result, not the
2245         VR_ANTI_RANGE.
2246         (adjust_range_with_scev): Reject ranges from SCEV which are out of
2247         bounds for the type.
2248
2249 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
2250
2251         * tree-ssa-alias.c (maybe_create_global_var): Change
2252         subvar walking to an assertion that we don't have subvar'd variables.
2253
2254 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
2255
2256         PR C/25861
2257         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2258         Use a new variable, inner.  PARM_DECLs are always non-weak.
2259
2260 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
2261
2262         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2263         --disable-checking.
2264
2265 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
2266
2267         * config/mips/mips.md (*clear_upper32): New combiner pattern.
2268
2269 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
2270
2271         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2272         (smax_insn, smin_insn, smax_0, smin_0): New.
2273
2274 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
2275
2276         PR target/25947
2277         * config/cris/cris.c (cris_order_for_addsi3): New function.
2278         * config/cris/cris-protos.h: Prototype it.
2279         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2280         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2281         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2282         (split for "op.S1 [rx=rx+i],ry (swapped)")
2283         (split for "op(s|u).S1 [rx=rx+i],ry")
2284         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2285         Apply cris_order_for_addsi3 when generating addsi3 insns.
2286
2287 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
2288
2289         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2290         (TREE_BLOCK): Add call to EXPR_CHECK.
2291
2292 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
2293
2294         PR 25886
2295         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2296         * tree-pretty-print.c (dump_omp_clause): Extract from ...
2297         (dump_omp_clauses): ... here.
2298         (dump_generic_node): Handle OMP_CLAUSE.
2299         * tree.c (omp_clause_num_ops): New.
2300         (omp_clause_code_name): New.
2301         (tree_code_size): Handle OMP_CLAUSE.
2302         (tree_size): Likewise.
2303         (make_node): Document handling of OMP_CLAUSE.
2304         (tree_node_structure): Handle OMP_CLAUSE.
2305         (omp_clause_check_failed): New.
2306         (omp_clause_range_check_failed): New.
2307         (omp_clause_operand_check_failed): New.
2308         (build_omp_clause): New.
2309         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2310         * tree.h (enum omp_clause_code): Declare.
2311         (OMP_CLAUSE_SUBCODE_CHECK): Define.
2312         (OMP_CLAUSE_RANGE_CHECK): Define.
2313         (OMP_CLAUSE_ELT_CHECK): Define.
2314         (omp_clause_check_failed): Declare.
2315         (omp_clause_operand_check_failed): Declare.
2316         (omp_clause_range_check_failed): Declare.
2317         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2318         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2319         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2320         (OMP_CLAUSE_LASTPRIVATE): Likewise.
2321         (OMP_CLAUSE_IF_EXPR): Likewise.
2322         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2323         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2324         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2325         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2326         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2327         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2328         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2329         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2330         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2331         (OMP_CLAUSE_CODE): Define.
2332         (OMP_CLAUSE_SET_CODE): Define.
2333         (OMP_CLAUSE_CODE): Define.
2334         (OMP_CLAUSE_OPERAND): Define.
2335         (struct tree_omp_clause): Declare.
2336         (union tree_node): Add field 'omp_clause'.
2337         * treestruct.def (TS_OMP_CLAUSE): Define.
2338         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2339         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2340         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2341         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2342         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2343         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2344         (OMP_CLAUSE): Define.
2345         * print-tree.c (print_node): Handle OMP_CLAUSE.
2346         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2347         * c-typeck.c: Likewise.
2348         * gimplify.c: Likewise.
2349         * c-omp.c: Likewise.
2350         * tree-nested.c: Likewise.
2351         * tree-inline.c: Likewise.
2352         * c-parser.c: Likewise.
2353         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2354         clauses.
2355
2356 2006-01-25  Roger Sayle  <roger@eyesopen.com>
2357
2358         PR rtl-optimization/25703
2359         * combine.c (try_combine): Handle zero_extract and strict_low_part
2360         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2361
2362 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
2363
2364         * global.c: Fix comment typos.
2365
2366 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
2367
2368         PR target/25758
2369         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2370         Use output_addr_const instead of assemble_name.
2371
2372 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
2373
2374         * Makefile.in (sched-vis.o): Update dependencies.
2375         * haifa-sched.c (sched_finish): Clear current_sched_info.
2376         * cfg.c (dump_bb_info): New, split from dump_flow_info.
2377         (dump_flow_info): Call it.
2378         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2379         a slim RTL dump.
2380         * basic-block.h (dump_bb_info): Declare.
2381         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2382         option, and apply options only for dump files whose TDF_RTL,
2383         TDF_TREE, or TDF_IPA bits match.
2384         * rtl.h: Declare new functions exported from sched-vis.c.
2385         * sched-vis.c: Enable also if scheduling is not used.
2386         (print_value): Print the mode of registers if not inside scheduling.
2387         (print_insn): Make it work outside the scheduler.  Beautify the output
2388         a bit.
2389         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2390
2391 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2392
2393         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2394         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2395         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2396         depending on the value of CONSTANT_POOL_ADDRESS_P.
2397         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2398         SYMBOL_REF_DECL.
2399         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2400         rather than SYMBOL_REF_DECL.
2401         (rtx_constant_pool): Remove const_rtx_sym_htab.
2402         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2403         (init_varasm_status): Don't initialize const_rtx_sym_htab.
2404         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2405         Remove handling of const_rtx_sym_htab.
2406         (find_pool_constant): Delete.
2407         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2408         rather than find_pool_constant.
2409         (get_pool_constant_for_function): Delete.
2410         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2411         find_pool_constant.
2412         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2413         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2414         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2415         (SYMBOL_REF_CONSTANT): New macro.
2416         (get_pool_constant_for_function): Delete.
2417         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2418         rather than SYMBOL_REF_DECL.
2419         (i386_pe_mark_dllimport): Likewise.
2420         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2421         rather than SYMBOL_REF_DECL.
2422         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2423         (machopic_indirect_call_target): Likewise.
2424
2425 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2426
2427         * flow.c (delete_noop_moves): Add missing EOL to dump message.
2428
2429 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2430
2431         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2432
2433 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2434
2435         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2436
2437 2006-01-24  David Daney  <ddaney@avtrex.com>
2438
2439         PR java/25816
2440         * configure.ac (enable_tls): New enable option.
2441         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2442         * configure: Regenerate.
2443         * doc/install.texi (--enable-tls): Document new option.
2444         (--disable-tls): Ditto.
2445
2446 2006-01-24  Richard Henderson  <rth@redehat.com>
2447
2448         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2449         * alias.c (true_dependence): Respect it.
2450         (canon_true_dependence, write_dependence_p): Likewise.
2451         * builtins.c (get_builtin_sync_mem): Set it.
2452
2453 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
2454
2455         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2456         efficient way.
2457
2458 2006-01-24  DJ Delorie  <dj@redhat.com>
2459
2460         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2461         for storing constants in single-bit bitfields.
2462
2463 2006-01-25  Ben Elliston  <bje@au.ibm.com>
2464
2465         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2466
2467 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
2468
2469         PR tree-opt/25860
2470         * tree-ssa-pre.c (phi_translate): Return NULL
2471         for AGGREGATE_TYPE's.
2472
2473 2006-01-24  Zack Weinberg  <zackw@panix.com>
2474
2475         * genautomata.c (process_state_for_insn_equiv_partition):
2476         Use xcalloc for insn_arcs_array.
2477         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2478         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2479
2480 2006-01-24  Richard Henderson  <rth@redhat.com>
2481
2482         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2483         update all callers.
2484
2485 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
2486
2487         PR rtl-optimization/25890
2488         PR rtl-optimization/25905
2489         * combine.c (expand_compound_operation, expand_field_assignment):
2490         Fail if the bitfield's final position is out of bounds.
2491
2492 2006-01-24  Ian Lance Taylor  <ian@airs.com>
2493
2494         PR middle-end/25930
2495         * cgraphunit.c (cgraph_output_in_order): Don't clear
2496         cgraph_asm_nodes until after asm strings have been output.
2497
2498 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
2499
2500         * fix-header.c (read_scan_file): Add new parameter imultilib when
2501         calling register_include_chains.
2502
2503 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
2504
2505         * omp-low.c: Update documentation.
2506
2507 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2508             Daniel Berlin  <dberlin@dberlin.org>
2509
2510         PR tree-opt/25315
2511         PR tree-opt/25857
2512         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2513         return from the function.
2514
2515 2006-01-22  Zack Weinberg  <zackw@panix.com>
2516
2517         * rtl.def (match_code): Add second argument.
2518         * genpreds.c (write_extract_subexp): New function.
2519         (write_match_code): Add path argument.  Use write_extract_subexp.
2520         (write_predicate_expr): Pass path to write_match_code.
2521         (mark_mode_tests): MATCH_CODE applied to a subexpression does
2522         not perform a mode test.
2523         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2524         a subexpression does not constrain the top-level code set.
2525         * read-rtl.c (read_rtx_variadic): New function.
2526         (read_rtx_1): Use it; allow AND and IOR to be variadic.
2527         * doc/md.texi: Document new notation.
2528         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2529         (cmpsi_operand): ... here, using new notation.
2530
2531 2006-01-22  Zack Weinberg  <zackw@panix.com>
2532
2533         * varray.c: Remove GENERATOR_FILE #ifdefs.
2534
2535 2006-01-22  Zack Weinberg  <zackw@panix.com>
2536
2537         * genautomata.c (output_reserved_units_table): Emit nothing if
2538         description->query_units_num is zero.  Remove extra blank line.
2539         (output_cpu_unit_reservation_p): Short circuit
2540         if description->query_units_num is zero.
2541
2542 2006-01-22  Zack Weinberg  <zackw@panix.com>
2543
2544         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
2545         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
2546         nor any of the random handful of variables that used to be necessary
2547         when this program was linked with rtlanal.o.  Prune set of forward
2548         function declarations.
2549         (struct attr_desc): Remove static_p field.
2550         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2551         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2552         (attr_string): Do not read the character one past the length of
2553         the string.
2554         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2555         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2556         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2557         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2558         (make_automaton_attrs): New.
2559         (main): Do not call into genautomata.  Call local gen_bypass
2560         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
2561         Remove special case for insn_alts.
2562         * genautomata.c: Include gensupport.h; not genattrtab.h nor
2563         varray.h (leftover from previous change).  Prune set of forward
2564         function declarations.  Remove state_alts fields from all
2565         structures.  Remove state_alts_table from struct automaton.
2566         Make everything except main static.  Do not maintain num_dfa_decls.
2567         Do not maintain state_alts fields of various structures.
2568         (process_decls): Don't validate condexp for dm_insn_reserv decls.
2569         (add_arc): Remove state_alts argument.  All callers updated.
2570         (output_reserved_units_table): Emit #ifdef here...
2571         (output_tables): ...not here.  Don't generate state_alts tables.
2572         (expand_automata): Don't generate attributes.
2573         (write_automata): Don't generate state_alts functions.
2574         (main): New function.
2575         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2576         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2577         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2578         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2579         (BYPASS_P_FUNC_NAME, output_state_alts_table)
2580         (output_automata_list_state_alts_code, output_internal_state_alts_func)
2581         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2582         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2583         Delete.
2584         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2585         * genattrtab.h: Delete file.
2586         * Makefile.in (OBJS-common): Add insn-automata.o.
2587         (insn-automata.o): New rule.
2588         (simple_generated_c): Add insn-automata.c.
2589         (build/genattrtab.o, build/genautomata.o): Update dependencies.
2590         (genprogmd): Add automata.
2591         (build/genattrtab): Needs no extra objects nor libraries.
2592         (build/genautomata): Needs build/vec.o and -lm.
2593
2594 2006-01-22  Zack Weinberg  <zackw@panix.com>
2595
2596         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2597         (output_dfa_max_issue_rate, locked_states_num): Delete.
2598         (struct automaton): Add locked_states field.
2599         (output_dead_lock_vect): Save number of locked states in
2600         automaton->locked_states.  If it is zero, don't print anything.
2601         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2602         (output_internal_dead_lock_func): Only test the dead_lock_vect
2603         for automata that have locked states.
2604         (output_statistics): Always print the number of locked states for
2605         each automaton.  Calculate total number of locked states here.
2606         (write_automata): Don't call output_dfa_max_issue_rate.
2607         * genattrtab.c: Define length_unit_log as a const variable.
2608         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
2609         max_insn_queue_index const.
2610         * final.c (length_unit_log): Declare const.
2611         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2612
2613 2006-01-22  Zack Weinberg  <zackw@panix.com>
2614
2615         * genautomata.c:  Include vec.h, not varray.h.
2616         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2617         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
2618         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
2619         VEC_* macros operating on appropriately typed vectors, or to
2620         malloced arrays when the size is known in advance.  Const-ify
2621         many char* variables and function arguments.  No functional changes.
2622         * Makefile.in (build/varray.o): Delete rule.
2623         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2624         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2625
2626 2006-01-22  Zack Weinberg  <zackw@panix.com>
2627
2628         * gensupport.c: Define get_insn_name and record_insn_name here.
2629         (read_md_rtx): Call record_insn_name as appropriate.
2630         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2631         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2632         * genpreds.c, genrecog.c: Don't define get_insn_name nor
2633         record_insn_name.
2634         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2635         (BUILD_VARRAY): Delete.
2636         (genprognormal): Rename genprogmd.  Fold in all programs from
2637         genprognoprint; also attrtab.
2638         (build/genattrtab): Just mention genautomata.o and varray.o.
2639         Reorganize a bit, add comments to make the categories clearer.
2640
2641 2006-01-22  Zack Weinberg  <zackw@panix.com>
2642
2643         * genconditions.c (condition_table, add_condition): Delete.
2644         (write_conditions): Don't emit n_insn_conditions nor
2645         insn_elision_unavailable.  Issue the gcc version #ifdef here,
2646         inside the table, with no #else clause ...
2647         (write_header): ...not here.
2648         (write_writer): New function.
2649         (main): Don't initialize condition_table.  Use add_c_test.
2650         Call write_writer.
2651         * gensupport.c (init_md_reader_args_cb): Handle multiple input
2652         files on the command line.
2653         (maybe_eval_c_test): Don't check insn_elision_unavailable.
2654         Return -1 if there is no entry in the table, don't abort.
2655         (add_c_test, traverse_c_tests): New functions.
2656         * gensupport.h (insn_elision_unavailable, insn_conditions)
2657         (n_insn_conditions): Delete declarations.
2658         (add_c_test, traverse_c_tests): Declare.
2659         * read-rtl.c: Include gensupport.h.
2660         (read_conditions): New function.
2661         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2662         (read_rtx_1): If we get EOF when we were looking for an initial
2663         open paren, return 0.  Call read_conditions when appropriate.
2664         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2665         dummy-conditions.o.  Eliminate references to insn-conditions.o,
2666         or change them to build/gencondmd.o, as appropriate.  Remove
2667         insn-constants.h from $(simple_generated_h) and insn-conditions.c
2668         from $(simple_generated_c).  For all files remaining in those
2669         two lists, add insn-conditions.md to the generator command line.
2670         Give insn-constants.h/s-constants their own rules.  Add rules
2671         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2672         (build/read-rtl.o): Depend on gensupport.h.
2673         (genprognormal): Include preds.
2674         (genprogearly): Rename genprognoprint; only difference is now that
2675         they don't link with $(BUILD_PRINT).
2676         * dummy-conditions.c: Delete.
2677
2678 2006-01-22  Zack Weinberg  <zackw@panix.com>
2679
2680         * genextract.c: Don't include insn-config.h.  Do include vec.h.
2681         Declare vectors of int, char, and locstr.
2682         (locstr): New typedef.
2683         (struct extraction): Make all array fields into bare pointers.
2684         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2685         (insn_code_number): Delete.
2686         (accum_extract): New struct.
2687         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2688         (gen_insn): Take insn_code_number as an argument.  Use an
2689         accum_extract structure instead of loading data directly into
2690         a struct extraction, and having to know how big it might get.
2691         (walk_rtx): Operate entirely on an accum_extract structure.
2692         (print_path): Avoid unnecessary use of printf.
2693         (print_header): New function, split out of main.  Distinguish
2694         more carefully between an unrecognizable insn and an insn that
2695         has the code number of a define_expand.
2696         (main): Pass insn_code_number to gen_insn.  Call print_header
2697         only after parsing.  Avoid unnecessary use of printf.
2698         * Makefile.in (build/vec.o): New rule.
2699         (build/genextract): Depend on build/vec.o.
2700         (build/genextract.o): Don't depend on insn-config.h.
2701
2702 2006-01-22  Zack Weinberg  <zackw@panix.com>
2703
2704         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2705         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
2706         practical.  Eliminate per-generator-program link rules.
2707
2708 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2709
2710         PR middle-end/24437
2711         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2712         with a call expr to ...
2713         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2714
2715 2006-01-23  Richard Guenther  <rguenther@suse.de>
2716
2717         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2718         before make_edge with conditional EDGE_TRUE_VALUE.
2719
2720 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
2721         Jan Hubicka  <jh@suse.cz>
2722         Richard Guenther  <rguenther@suse.de>
2723
2724         PR rtl-optimization/25654
2725         * cfgexpand.c (aggregate_contains_union_type): New function.
2726         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
2727         for structure variables that contain a union type.
2728
2729 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
2730
2731         * gengtype.c (new_structure): Return the structure.
2732         (create_option): Add an extra "next" argument.
2733         (create_field): New function.
2734         (adjust_field_rtx_def): Use create_option and create_field.
2735         Remove a now-unnecessary call to find_structure.
2736         (adjust_field_tree_def): Likewise.
2737         (note_yacc_type): Remove an unnecessary call to find_structure.
2738         * gengtype.h (new_structure): Return the structure.
2739         (create_option): Add an extra argument.
2740         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2741         (option): Adjust calls to create_option.
2742
2743 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2744
2745         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2746
2747 2006-01-22  Paul Brook  <paul@codesourcery.com>
2748         Peter Barada  <peter@the-baradas.com>
2749
2750         * config/m68k/m68k.md: Add Coldfire FPU support.
2751         Define FP mode macro and associated attributes.
2752         Use it for float mode patterns.
2753         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2754         (LIBCALL_VALUE): Use m68k_libcall_value.
2755         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2756         (m68k_function_value): Ditto.
2757         (emit_move_sequence): Ditto.
2758         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2759         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2760         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2761         (MULTILIB_EXCEPTIONS): Ditto.
2762         * config/m68k/m68k.opt: Add mcfv4e.
2763         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2764         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2765         (m68k_output_function_prologue): Save ColdFire FPU registers.
2766         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2767         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2768         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2769         ColdFire FPU registers.
2770         (m68k_libcall_value, m68k_function_value): New functions.
2771         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2772         (LIBCALL_VALUE): Use m68k_libcall_value.
2773         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2774         (MASK_COLDFIRE): Add MASK_CFV4E.
2775         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2776         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2777         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2778         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2779         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2780         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2781         * doc/invoke.tex: Document -mcfv4e on m68k.
2782
2783 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2784
2785         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2786         URL.
2787
2788 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2789
2790         PR c++/16190
2791         * c-opts.c (c_common_handle_option): Don't include
2792         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2793         * doc/invoke.texi (C++ Dialect Options): Document that
2794         -Wnon-virtual-dtor is no longer included in -Wall.
2795
2796 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2797
2798         * gcov.c (print_version), gcov-dump.c (print_version),
2799         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2800         dates.
2801
2802 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2803
2804         * df-scan.c (problem_SCAN): Added NULL reset function.
2805         (df_scan_reset_blocks): Added code to call reset block function
2806         (df_bb_refs_delete) Fixed comment.
2807         (df_insn_refs_delete): Made tolerant of deleting non existent info
2808         for dataflow problems that need to be reset.
2809         * df-core.c (df_set_blocks): Ditto.
2810         * df.h (struct df_problem): Added reset_fun.
2811         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2812         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2813         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2814         functions to clear out all references to def-use or use-def chains.
2815
2816 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2817
2818         * varasm.c (assemble_real): Initialise data array.
2819
2820 2006-01-20  Paul Brook  <paul@codesourcery.com>
2821
2822         Merge from csl-arm-branch.
2823         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2824         * config/arm/arm.md (movdi): Force operands[1] to a register
2825         if we have a non-register source.
2826         (*arm_movdi, *movdf_soft_insn): Require that one of the
2827         operands be a register.
2828         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2829         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2830
2831 2006-01-20  DJ Delorie  <dj@redhat.com>
2832
2833         * varasm.c (initialize_constant_valid_p): Allow pointers
2834         initialized from integer constants of lesser precision.
2835         (output_constant): Allow non-int-sized pointer modes to be
2836         initialized from integer constants.
2837
2838 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2839
2840         PR libstdc++/25524
2841         * cppdefault.h (struct default_include): Add multilib flag.
2842         * cppdefault.c (cpp_include_defaults): Set it.
2843         * c.opt (-imultilib): New option.
2844         * c-opts.c (imultilib): New.
2845         (c_common_handle_option): Handle -imultilib.
2846         (c_common_post_options): Likewise.
2847         * c-incpath.c (add_standard_paths, register_include_chains):
2848         Likewise.
2849         * c-incpath.h (register_include_chains): Add extra parameter.
2850         * gcc.c (do_spec_1): Generate -imultilib option.
2851         (The Specs Language): Update %I description.
2852         (process_command): Update copyright notice.
2853         * doc/cppopts.texi (-imultilib): Document.
2854         * doc/invoke.texi (-imultilib): Include in option summary.
2855         (%I): Update specs documentation.
2856
2857 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2858
2859         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2860
2861 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2862
2863         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2864         label numbers.
2865
2866 2006-01-20  Richard Guenther  <rguenther@suse.de>
2867         Steven Bosscher <stevenb.gcc@gmail.com>
2868
2869         PR rtl-optimization/24626
2870         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2871         EDGE_TRUE_VALUE if in RTL mode.
2872
2873         Revert
2874         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2875         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2876
2877 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2878
2879         PR c++/5520
2880         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2881         instead of a special NOP marker.
2882         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2883         NOP marker handling.
2884         * c-common.h (empty_body_warning): Add forward declaration.
2885         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2886         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2887
2888 2006-01-20  Paul Brook  <paul@codesourcery.com>
2889
2890         * Makefile.in (lang_checks): Keep going if mkdir fails.
2891
2892 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2893
2894         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2895         be able to clean out basic block when not necessary.
2896         (df_scan_free): Fixed to properly delete information if df is
2897         unused before calling df_finish.
2898         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2899         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2900         or comment typos.
2901         (df_bb_refs_delete): New function.
2902         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2903         * df-core.c (df_set_blocks): Added code to properly clean out
2904         unused blocks if they are not part of the blocks to consider.
2905         Added additional null check.
2906         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2907         be able to clean out basic block when not necessary
2908         * df.h (df_free_bb_function): Ditto.
2909         (df_bb_refs_delete): New function.
2910         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2911         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2912         basic block parameter to be able to clean out basic block when not
2913         necessary.
2914         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2915         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2916         Fixed to properly delete information if df is unused before
2917         calling df_finish.
2918
2919 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2920
2921         PR rtl-optimization/25799
2922         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2923         Corrected confluence operator to remove bits from op2 before oring
2924         with op1 rather than removing bits from op1.
2925         (df_ru_transfer_function): Corrected test on wrong bitmap which
2926         caused infinite loop.  Both of these problems were introduced in
2927         the dataflow rewrite.
2928
2929 2006-01-19  DJ Delorie  <dj@redhat.com>
2930
2931         * reload1.c (find_reload_regs): Note the details of reload
2932         failures in the dump file.
2933         (spill_failure): Likewise.
2934
2935 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2936
2937         * loop-iv.c: Include df.h and hashtab.h.
2938         (enum iv_grd_result): New enum.
2939         (DF_REF_IV, DF_REF_IV_SET): New macros.
2940         (struct biv_entry): New.
2941         (df, bivs): New global variables.
2942         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2943         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2944         Removed.
2945         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2946         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2947         analyzed_for_bivness_p, record_biv): New functions.
2948         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2949         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2950         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2951         UD chains.
2952         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2953         analysed.
2954         (iv_number_of_iterations): Use new interface to iv analysis.
2955         * loop-unroll.c: Do not include varray.h.
2956         (analyze_iv_to_split_insn): Use new interface to iv
2957         analysis.
2958         * loop-unswitch.c (may_unswitch_on): Ditto.
2959         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2960         allocated.
2961         (df_bb_modify): Realloc tables to the new index.
2962         (df_find_use): New function.
2963         * df.h (df_find_use): Declare.
2964         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2965         outmode.
2966         * cfgloop.h (struct rtx_iv): Remove analysed field.
2967         (iv_get_reaching_def): Removed.
2968         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2969         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2970         (loop-iv.o): Add df.h and hashtab.h dependency.
2971         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2972
2973 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2974
2975         PR target/25668
2976         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2977         Double TFmode.
2978         (__floatundisf, __floatundidf): Likewise.
2979         * libgcc2.h (IS_IBM_EXTENDED): Define.
2980
2981 2006-01-19  DJ Delorie  <dj@redhat.com>
2982
2983         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2984
2985 2006-01-19  Paul Brook  <paul@codesourcery.com>
2986
2987         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2988         as nothrow when unwinding tables are disabled.
2989
2990 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2991
2992         PR testsuite/25171
2993         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2994         of bit-field" when in system header.
2995
2996 2006-01-19  DJ Delorie  <dj@redhat.com>
2997
2998         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2999         the 16 bit shift limit of the m16c.
3000
3001 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
3002
3003         PR target/22099
3004         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3005         * config/i386/i386.c (output_set_got): Output the label if we have one
3006         for the TARGET_DEEP_BRANCH_PREDICTION case.
3007
3008 2006-01-19  Jan Hubicka  <jh@suse.cz>
3009             H.J. Lu  <hongjiu.lu@intel.com>
3010             Evandro Menezes <evandro.menezes@amd.com>
3011
3012         * invoke.texi (generic): Document
3013         (i686) Update.
3014         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3015         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3016         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3017         (x86_use_incdec, x86_pad_returns): New variables
3018         (TARGET_CPU_DEFAULT_generic): New constant
3019         (TARGET_CPU_DEFAULT_NAMES): Add generic.
3020         (enum processor_type): Add generic32 and generic64.
3021         * i386.md (cpu attribute): Add generic32/generic64
3022         (movhi splitter): Behave sanely when both partial_reg_dependency and
3023         partial_reg_stall are set.
3024         (K8 splitters): Enable for generic as well.
3025         * predicates.md (incdec_operand): Use TARGET_INCDEC
3026         (aligned_operand): Avoid memory mismatch stalls.
3027         * athlon.md: Enable for generic64, new patterns for 128bit moves.
3028         * ppro.md: Enable for generic32
3029         * i386.c (generic64_cost, generic32_cost): New.
3030         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3031         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
3032         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
3033         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3034         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3035         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3036         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3037         x86_accumulate_outgoing_args, x86_prologue_using_move,
3038         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3039         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3040         Enable for generic.
3041         (x86_use_incdec, x86_pad_returns): New.
3042         (override_options): Add generic32 and generic64, translate "generic"
3043         to generic32/generic64 and "i686" to "generic32", refuse
3044         "generic32"/"generic64" as arch target.
3045         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3046         (ix86_reorg): Honor PAD_RETURNS.
3047
3048 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
3049
3050         * tree-pretty-print.c (dump_generic_node): Handle
3051         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3052         * cgraph.c (cgraph_expand_queue): Rename from
3053         cgraph_analyze_queue.  Update all users.
3054         * cgraphunit.c (cgraph_assemble_pending_functions): Process
3055         cgraph_expand_queue.
3056         (cgraph_expand_all_functions): Likewise.
3057         (cgraph_finalize_pending_functions): Remove.  Update callers.
3058
3059         * tree.h (OMP_DIRECTIVE_P): Define.
3060         (OMP_PARALLEL_FN): Define.
3061         (OMP_PARALLEL_DATA_ARG): Define.
3062         (OMP_SECTIONS_SECTIONS): Define.
3063         * tree-pass.h (pass_expand_omp): Declare.
3064         * omp-low.c (struct omp_region): Declare.
3065         (struct omp_context): Remove fields 'parallel_type',
3066         'parallel_start_ix' and 'parallel_start_additional_args'.
3067         Update all users.
3068         (struct omp_for_data): Rename from struct expand_omp_for_data.
3069         (omp_regions): New static variable.
3070         (root_omp_region): New static variable.
3071         (find_omp_clause): Make static.
3072         (is_in_combined_parallel_ctx): Remove.
3073         (is_combined_parallel): New.
3074         (extract_omp_for_data): Move earlier in the file.
3075         (workshare_safe_to_combine_p): New.
3076         (get_ws_args_for): New.
3077         (determine_parallel_type): Move earlier in the file.
3078         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3079         child function.
3080         (omp_copy_decl): Likewise.
3081         (create_omp_child_function): Likewise.
3082         (lookup_omp_region): New.
3083         (dump_omp_region): New.
3084         (debug_omp_region): New.
3085         (debug_all_omp_regions): New.
3086         (new_omp_region): New.
3087         (scan_omp_parallel): If parallel_nesting_level > 1, the
3088         directive is nested within another parallel directive.
3089         Set OMP_PARALLEL_FN.
3090         (scan_omp_for): Do not try to handle combined parallel+for
3091         cases.
3092         Remove FIXME comment.
3093         (scan_omp_nested): Remove.
3094         (scan_omp_1): Do not call scan_omp_nested when
3095         parallel_nesting_level is > 1.
3096         Do not change the DECL_CONTEXT of local variables found.
3097         (lookup_decl_in_outer_ctx): New.
3098         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3099         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3100         (lower_reduction_clauses): Rename from expand_reduction_clauses.
3101         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3102         If CTX is nested, lookup VAR in the outer context when
3103         building copy assignment.
3104         (lower_send_clauses): Rename from expand_send_clauses.
3105         If CTX is nested, lookup VAR in the outer context when
3106         building copy assignments.
3107         (lower_send_shared_vars): Rename from expand_send_shared_vars.
3108         If CTX is nested, lookup VAR in the outer context when
3109         building copy assignments.
3110         (expand_parallel_call): Rename from build_parallel_call.
3111         Handle combined parallel+workshare cases.
3112         Re-implement to emit code into the CFG.
3113         (list2chain): New.
3114         (expand_omp_parallel): Re-implement to emit code into the CFG.
3115         Call move_sese_region_to_fn to outline the sub-graph
3116         containing the parallel region.
3117         (expand_omp_for_1): Remove.
3118         (expand_omp_for_generic): Re-implement to emit code into the
3119         CFG.
3120         (expand_omp_for_static_nochunk): Likewise.
3121         (expand_omp_for_static_chunk): Likewise.
3122         (expand_omp_for): Likewise.
3123         (expand_omp_sections): Likewise.
3124         (remove_exit_barriers): New.
3125         (expand_omp_synch): New.
3126         (expand_omp): New.
3127         (build_omp_regions_1): New.
3128         (build_omp_regions): New.
3129         (execute_expand_omp): New.
3130         (gate_expand_omp): New.
3131         (pass_expand_omp): Define.
3132         (lower_omp_sections): Rename from expand_omp_sections.
3133         Set OMP_SECTIONS_SECTIONS.
3134         (lower_omp_single_simple): Rename from expand_omp_single_simple.
3135         (lower_omp_single_copy): Rename from expand_omp_single_copy.
3136         (lower_omp_single): Rename from expand_omp_simple.
3137         (lower_omp_master): Rename from expand_omp_master.
3138         (lower_omp_ordered): Rename from expand_omp_ordered.
3139         (lower_omp_critical): Rename from expand_omp_critical.
3140         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3141         (lower_omp_for): Re-implement.
3142         (lower_omp_parallel): Re-implement.
3143         (lower_regimplify): Rename from expand_regimplify.
3144         (lower_omp_1): Rename from expand_omp_1.
3145         If there are syntax errors in the program, replace every
3146         OpenMP directive with NOP.
3147         Call lower_omp_* instead of expand_omp_*.
3148         (lower_omp): Rename from expand_omp.
3149
3150         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3151         * tree-gimple.h (enum omp_parallel_type): Remove.
3152         (gimple_boolify): Declare extern.
3153         (find_omp_clause, determine_parallel_type): Remove.
3154
3155         * gimple-low.c (lower_omp_directive): New.
3156         (lower_stmt): Call it.
3157         (record_vars_into): Move from ...
3158         (record_vars): ... here.
3159         Call record_vars_into with current_function_decl.
3160
3161         * gimplify.c (struct gimplify_ctx): Remove fields
3162         combined_pre_p and combined_ctxp.  Update users.
3163         (get_formal_tmp_var): Add documentation.
3164         (gimple_boolify): Make extern.
3165         (gimplify_expr_in_ctx): Remove.  Update callers.
3166         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3167         will always be a BIND_EXPR.
3168         (gimplify_expr): Handle OMP_RETURN_EXPR.
3169         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3170         (OMP_PARALLEL): Add 3 operands.
3171         (OMP_SECTIONS): Add 1 operand.
3172         (OMP_RETURN_EXPR): Define.
3173
3174         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3175         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3176         * tree-iterator.c (alloc_stmt_list): Assert that we are not
3177         creating a circular free list.
3178         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3179
3180         * tree-flow.h (move_sese_region_to_fn): Declare.
3181         (record_vars_into): Declare.
3182         * tree-cfg.c (make_omp_sections_edges): New.
3183         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3184         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3185         OMP_SECTIONS and OMP_SECTION.
3186         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3187         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3188         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3189         (gather_blocks_in_sese_region): New.
3190         (struct move_stmt_d): Declare.
3191         (move_stmt_r): New.
3192         (move_block_to_fn): New.
3193         (move_sese_region_to_fn): New.
3194
3195         * passes.c (init_optimization_passes): Schedule
3196         pass_expand_omp after pass_init_datastructures.
3197
3198         * tree-ssa-operands.c (get_expr_operands): Handle
3199         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3200         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3201
3202 2006-01-19  Jeff Law  <law@redhat.com>
3203
3204         * tree-vrp.c (extract_range_from_assert): Refine the result range
3205         if the variable referenced by the ASSERT_EXPR has a range and
3206         either the tentative result range or the previous range is a
3207         VR_ANTI_RANGE.
3208
3209 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
3210
3211         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3212
3213 2006-01-19  Jan Hubicka  <jh@suse.cz>
3214
3215         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3216
3217 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
3218
3219         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3220         (expand_compound_operation, expand_field_assignment): Fail if the
3221         bit lengths of an extract operation are out of range.
3222         (make_extraction): Compute wanted_inner_mode based on the position
3223         and length of the extraction.  Make it extraction_mode for non-constant
3224         positions, and do not modify offset in that case.  When generating a
3225         new MEM, use a mode that can hold the extraction while keeping correct
3226         alignment.  Remove code that supported MEMs wrapped by USEs.
3227         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3228
3229 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3230
3231         * config/s390/s390.md ("Y", "y"): New mode attribute.
3232         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3233         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3234         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3235         "*addsi3_imm_cc", "*addsi3_carry1_cc",
3236         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3237         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3238         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3239         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3240         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3241         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3242         "addsi3", "subsi3"): Insn patterns removed.
3243         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3244         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3245         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3246         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3247         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3248         "*sub<mode>3_cconly2"): New insn patterns.
3249         ("addsi3", "subsi3"): New expanders.
3250
3251 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
3252
3253         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3254         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3255         existing STMT_VINFO_VECTYPE if available.
3256         (vect_mark_relevant): Add special handling for stmts that are
3257         marked as STMT_VINFO_IN_PATTERN_P.
3258         (vect_analyze_loop): Call vect_pattern_recog.
3259         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3260         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3261         stmt_info.
3262         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3263         (vect_recog_func_ptr): New function-pointer type.
3264         * tree-vect-patterns.c: New file.
3265         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3266         (vect_recog_dot_prod_pattern, vect_pattern_recog):
3267         (vect_pattern_recog_1): New functions.
3268         (vect_pattern_recog_funcs): New array of function pointers.
3269
3270         * tree-vectorizer.h (ternary_op): New enum value.
3271         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3272         declaration. Revised documentation. Removed redundant dump prints.
3273         Removed redundant argument. Added support for reduction patterns.
3274         (vectorizable_reduction): Added support for reduction patterns.
3275         (vect_transform_stmt): Added support for patterns.
3276
3277         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3278         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3279         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3280         (expand_widen_pattern_expr): New function.
3281         (init_optabs): Initialize new optabs udot_prod_optab,
3282         sdot_prod_optab.
3283         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3284         (sdot_prod_optab, udot_prod_optab): Define new optabs.
3285         (expand_widen_pattern_expr): New function declaration.
3286         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3287         tree-codes.
3288         * tree-inline.c (estimate_num_insns_1): Added cases for new
3289         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3290         * tree-pretty-print.c (dump_generic_node): Likewise.
3291         (op_prio): Likewise.
3292         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3293         * tree-ssa-operands.c (get_expr_operands): Added case for
3294         DOT_PROD_EXPR.
3295         * tree-vect-patterns.c (widened_name_p): New function.
3296         (vect_recog_dot_prod_pattern): Added function implementation.
3297         * tree-vect-transform.c (get_initial_def_for_reduction): Added
3298         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3299         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3300         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3301
3302         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3303         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3304         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3305         (init_optabs): Initialize new optabs widen_ssum_optab,
3306         widen_usum_optab.
3307         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3308         (widen_ssum_optab, widen_usum_optab): Define new optabs.
3309         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3310         use instead of type of def.
3311         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3312         function implementation.
3313         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3314         widen_ssumv8hi): New.
3315
3316         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3317         patterns.
3318
3319 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
3320
3321         PR c/25805
3322         * c-decl.c (add_flexible_array_elts_to_size): New function.
3323         (finish_decl): Use it.
3324
3325 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3326
3327         * diagnostic.h: Include options.h.
3328         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3329         dependancies for diagnostic.h.
3330         * Makefile.in (DIAGNOSTIC_H): Add options.h.
3331
3332 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
3333
3334         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3335         (ssa_ro_call_cache_valid): Ditto.
3336         * tree-ssa-alias.c (sort_tags_by_id): New function.
3337         (init_transitive_clobber_worklist): Ditto.
3338         (add_to_worklist): Ditto.
3339         (mark_aliases_call_clobbered): Ditto.
3340         (compute_tag_properties): Ditto.
3341         (set_initial_properties): Ditto.
3342         (compute_call_clobbered): Ditto.
3343         (compute_may_aliases):  Call compute_call_clobbered and grouping.
3344         (compute_flow_sensitive_aliasing): Remove clobbering related code.
3345         (compute_flow_insensitive_aliasing): Grouping now happens in our
3346         caller.
3347         (setup_pointers_and_addressables): Remove clobbering related code.
3348         (add_may_alias): Ditto.
3349         (replace_may_alias): Ditto.
3350         (get_nmt_for): Ditto.
3351         (create_global_var):
3352         (is_escape_site): Return an escape_type enumeration.
3353         * tree-flow-inline.h (is_call_clobbered):  Global var does not
3354         imply call clobbered.
3355         (mark_call_clobbered): Take a reason for marking this. Remove
3356         marking of globalness, and cache invalidation.
3357         (clear_call_clobbered): Remove cache invalidation code.
3358         * tree-dfa.c (dump_variable): If details is on, dump the reason
3359         for escaping.
3360         * tree-outof-ssa.c (create_temp): Copy escape mask from original
3361         variable.
3362         * tree-flow.h (struct ptr_info_def): Add escape mask member.
3363         (struct var_ann_d): Ditto.
3364         (enum escape_type): New.
3365         (mark_call_clobbered): Adjust prototype.
3366         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3367         are never call clobbered.
3368         Record reasons for escaping.
3369         * tree-ssa-structalias.h (is_escape_site): Update prototype.
3370         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3371         (ssa_ro_call_cache_valid): Ditto.
3372         (clobbered_v_may_defs): Ditto.
3373         (clobbered_vuses): Ditto.
3374         (ro_call_vuses): Ditto.
3375         (clobber_stats): New.
3376         (init_ssa_operands): Zero out clobber stats.
3377         (fini_ssa_operands): Print out clobber stats.
3378         (get_call_expr_operands): Pass callee fndecl to
3379         add_call_read_ops).
3380         (add_call_clobber_ops): Remove use of cache.
3381         Add use of PURE_CONST information.
3382         (add_call_read_ops): Remove use of cache.
3383         Add use of static not_read information.
3384
3385 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
3386
3387         Introduce TLS descriptors for i386 and x86_64.
3388         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3389         (TARGET_ANY_GNU_TLS): New macro.
3390         (enum tls_dialect): Added TLS_DIALECT_GNU2.
3391         (struct machine_function): Add tls_descriptor_call_expanded_p.
3392         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3393         (ix86_current_function_calls_tls_descriptor): Likewise.
3394         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3395         (override_options): Introduce gnu2 tls dialect.
3396         (ix86_frame_pointer_required): Functions containing TLSCALLs are
3397         not leaves.
3398         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3399         Likewise.
3400         (legitimize_tls_address): Adjust logic for GNU2 TLS.
3401         (ix86_init_machine_status): Initialize new field.
3402         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3403         (ix86_tls_module_base): New.
3404         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3405         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3406         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3407         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3408         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3409         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3410         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3411         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3412         * config/i386/predicates.md (tls_modbase_operand): New.
3413         (tp_or_register_operand): New.
3414
3415 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
3416
3417         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
3418         (look_for_address_of): Ditto.
3419         (ipa_init): Walk the function decls.
3420         (static_execute): Don't set readonly on FUNCTION_DECL's.
3421
3422 2006-01-18  Roger Sayle  <roger@eyesopen.com>
3423
3424         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3425         for shifts where the source and destination registers are different.
3426
3427 2006-01-18  Paul Brook  <paul@codesourcery.com>
3428
3429         Merge from csl-arm-branch.
3430         2005-03-14  Julian Brown  <julian@codesourcery.com>
3431         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3432         (aeabi_llsl): Likewise.
3433         (ashrdi3): Likewise.
3434         (aeabi_lasr): Likewise.
3435         (lshrdi3): Likewise.
3436         (aeabi_llsr): Likewise.
3437         2005-03-10  Julian Brown  <julian@codesourcery.com>
3438         * config.gcc: Disable shared libgcc for SymbianOS.
3439         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3440
3441 2006-01-18  DJ Delorie  <dj@redhat.com>
3442
3443         * c-pragma.c (handle_pragma_diagnostic): New.
3444         (init_pragma): Register it.
3445         * doc/extend.texi: Document it.
3446
3447         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3448         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3449         (diagnostic_context): Add classify_diagnostic[].
3450         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3451         as errors if they're overridden to DK_WARNING.
3452         (diagnostic_initialize): Initialize classify_diagnostic[].
3453         (diagnostic_set_kind_override): New.
3454         (diagnostic_report_diagnostic): Check for kind changes.
3455         * opts.c (common_handle_option): Take lang_mask.  Update callers.
3456         Handle OPT_Werror_.
3457         * common.opt (Werror=): New.
3458         * doc/invoke.texi: Document -Werror=*
3459
3460 2006-01-18  Jeff Law  <law@redhat.com>
3461
3462         * tree-vrp.c (test_for_singularity): Correct test for new
3463         min limit.  Use operand_equal_p rather than pointer equality
3464         for testing if new min/max values are equal.
3465
3466         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3467         using range information until after propagation and folding.
3468
3469 2006-01-18  Richard Henderson  <rth@redhat.com>
3470             Aldy Hernandez  <aldyh@redhat.com>
3471             Jakub Jelinek  <jakub@redhat.com>
3472             Diego Novillo  <dnovillo@redhat.com>
3473
3474         * omp-low.c: New file.
3475         * c-omp.c: New file.
3476
3477 2006-01-18  Richard Henderson  <rth@redhat.com>
3478             Jakub Jelinek  <jakub@redhat.com>
3479             Diego Novillo  <dnovillo@redhat.com>
3480
3481         * doc/invoke.texi: Document -fopenmp.
3482         * tree-dump.h (debug_function): Declare.
3483         * hooks.c (hook_bool_tree_bool_false): New function.
3484         (hook_tree_tree_null): Remove.
3485         (hook_tree_tree_tree_null): New.
3486         * hooks.h: Update to match.
3487         * tree-pretty-print.c (debug_tree_chain): New.
3488         (print_generic_expr): Handle TDF_CHAIN.
3489         (dump_generic_node): Handle BLOCK.
3490         Do not abort with incomplete SWITCH_EXPRs.
3491         Do not dump body of an OpenMP directive if TDF_SLIM is given.
3492         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3493         print space after directive name.
3494         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3495         Handle OMP_MASTER and OMP_ORDERED.
3496         Handle printing of OMP_BODY just in one place, goto
3497         dump_omp_body in the rest of OMP_* nodes that have
3498         OMP_BODY.
3499         Don't handle clause nodes here.  Update omp statements to
3500         use dump_omp_clauses.
3501         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3502         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3503         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3504         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3505         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3506         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3507         Adjust output for GOMP_PARALLEL.
3508         (dump_omp_clauses): New.
3509         (print_declaration): Dump DECL_VALUE_EXPR.
3510         (op_symbol_1): Split out of op_symbol.
3511         (dumping_stmts): Remove.  Update all users.
3512         * cgraph.c (cgraph_analyze_queue): New.
3513         (cgraph_add_new_function): New.
3514         * cgraph.h (cgraph_analyze_queue): Declare.
3515         (cgraph_add_new_function): Declare.
3516         (cgraph_lower_function): Remove.
3517         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3518         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3519         and TYPE_P nodes in its default clause.
3520         (empty_body_p): New.
3521         (tree_range_check_failed): New.
3522         (build5_stat): New.
3523         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3524         OMP_CLAUSE_REDUCTION_MERGE,
3525         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3526         OMP_CLAUSE_PRIVATE_DEBUG,
3527         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3528         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3529         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3530         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3531         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3532         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3533         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3534         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3535         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3536         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3537         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3538         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3539         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3540         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3541         (TREE_RANGE_CHECK): New.
3542         (empty_body_p): Declare.
3543         (enum omp_clause_default_kind): New.
3544         (build_string_literal): Declare.
3545         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3546         (build5_stat, build5): Declare.
3547         * tree-pass.h (TDF_CHAIN): Define.
3548         * tree-pass.h (PROP_gimple_lomp): Define.
3549         (pass_lower_omp): Declare.
3550         * diagnostic.h (debug_tree_chain): Declare.
3551         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3552         mode_for_size.
3553         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3554         * builtins.c (build_string_literal): Make extern.
3555         * gcc.c (include_spec_function): New.
3556         (static_spec_functions): Add it.
3557         (main): Move load of libgomp.spec ...
3558         (LINK_COMMAND_SPEC): ... here.
3559         (link_gomp_spec): New.
3560         (static_specs): Include it.
3561         (LINK_COMMAND_SPEC): Add link_gomp.
3562         (GOMP_SELF_SPECS): New.
3563         (driver_self_specs): Include it.
3564         (switch_matches): Don't mark inline.
3565         (main): Load libgomp.spec.
3566         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3567         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3568         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3569         * tree-gimple.h (enum omp_parallel): Declare.
3570         (determine_parallel_type): Declare.
3571         (omp_firstprivatize_variable): Declare.
3572         (omp_reduction_init): Declare.
3573         (diagnose_omp_structured_block_errors): Declare.
3574         (struct walk_stmt_info): Add want_return_expr.
3575         (struct walk_stmt_info): Add want_bind_expr, want_locations.
3576         (find_omp_clause): Declare.
3577         (insert_field_into_struct): Declare.
3578         (struct walk_stmt_info): Move from tree-nested.c
3579         (walk_stmts): Declare.
3580         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3581         to 200505.
3582         * cgraphunit.c (cgraph_lower_function): Make static.
3583         (cgraph_finalize_pending_functions): New.
3584         (cgraph_finalize_function): Call it.
3585         (cgraph_finalize_compilation_unit): Likewise.
3586         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3587         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3588         (BT_FN_UINT_UINT): New.
3589         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3590         DEF_FUNCTION_TYPE_VAR_4): Document.
3591         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3592         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3593         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3594         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3595         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3596         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3597         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3598         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3599         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3600         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3601         into separate files.
3602         (DEF_GOMP_BUILTIN): New.
3603         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3604         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3605         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3606         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3607         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3608         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3609         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3610         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3611         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3612         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3613         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3614         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3615         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3616         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3617         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3618         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3619         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3620         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3621         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3622         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3623         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3624         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3625         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3626         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3627         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3628         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3629         * sync-builtins.def: New file, moved from builtins.def.
3630         * omp-builtins.def: New file, moved from builtins.def.
3631         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3632         * gimple-low.c (lower_function_body): Clear data.
3633         (lower_stmt): Do not handle COMPOUND_EXPR.
3634         Remove call to print_node_brief.
3635         * c-tree.h (c_finish_omp_clauses): New prototype.
3636         (C_DECL_THREADPRIVATE_P): Define.
3637         (lookup_name_no_remap, c_omp_remap_private): Remove
3638         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3639         (check_for_loop_decls): Update decl.
3640         (lookup_name_no_remap, c_omp_remap_private): Declare.
3641         (build_indirect_ref, build_modify_expr, pushdecl,
3642         pushdecl_top_level): Move to c-common.h.
3643         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3644         before the switch, but just in the 2 places that need it.
3645         * c-decl.c (diagnose_mismatched_decls): Do not check for
3646         mismatched thread-local attributes when OLDDECL is marked
3647         threadprivate and NEWDECL has no thread-local attributes.
3648         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3649         (c_gimple_diagnostics_recursively): Rename from
3650         c_warn_unused_result_recursively.  Invoke
3651         diagnose_omp_structured_block_errors.
3652         (check_for_loop_decls): Return a singular decl found.
3653         * langhooks.c (lhd_omp_predetermined_sharing): Return
3654         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3655         (lhd_omp_firstprivatize_type_sizes): New.
3656         (lhd_omp_assignment): New.
3657         (lhd_omp_predetermined_sharing): New.
3658         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3659         (struct lang_hooks_for_types): Add
3660         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3661         omp_predetermined_sharing, omp_disregard_value_expr,
3662         omp_private_debug_clause, omp_clause_default_ctor,
3663         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3664         (c_finish_omp_clauses): New.
3665         (c_finish_bc_stmt): Diagnose break within omp for.
3666         (c_begin_omp_parallel, c_finish_omp_parallel): New.
3667         (build_unary_op): Return error_mark after reporting
3668         a readonly_error.
3669         (build_modify_expr): Likewise.
3670         * gimplify.c: Include optabs.h and pointer-set.h.
3671         (enum gimplify_omp_var_data): Declare.
3672         (struct gimplify_omp_ctx): Declare.
3673         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3674         and combined_ctxp.
3675         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3676         (push_gimplify_context, pop_gimplify_context): Allow nesting.
3677         (splay_tree_compare_decl_uid): New.
3678         (new_omp_context): New.
3679         (delete_omp_context): New.
3680         (gimple_add_tmp_var): Call omp_add_variable.
3681         (gimplify_bind_expr): Likewise.
3682         (gimplify_var_or_parm_decl): If omp_notice_variable returned
3683         true, disregard DECL_VALUE_EXPR on the decl if any.
3684         (gimplify_expr_in_ctx): New.
3685         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3686         omp_add_variable, omp_notice_variable, omp_is_private
3687         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3688         gimplify_adjust_omp_clauses, gimplify_omp_parallel
3689         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3690         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3691         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3692         gimplify_omp_atomic): New.
3693         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3694         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3695         OMP_CRITICAL and OMP_ATOMIC.
3696         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3697         * c-pragma.h (enum pragma_kind): Add
3698         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3699         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3700         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3701         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3702         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3703         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3704         PRAGMA_OMP_THREADPRIVATE.
3705         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3706         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3707         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3708         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3709         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3710         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3711         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3712         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3713         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3714         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3715         * tree-ssa-dce.c (find_control_dependence): Do not assume that
3716         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3717         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3718         OpenMP directives.
3719         (struct nesting_info): Add field_map,
3720         suppress_expansion, debug_var_chain.
3721         (create_nesting_tree): Initialize them.
3722         (lookup_field_for_decl): Use field_map.
3723         (get_nonlocal_debug_decl, get_local_debug_decl): New.
3724         (convert_local_omp_clauses): New.
3725         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3726         (walk_body): Split out of walk_function.
3727         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3728         (convert_nonlocal_reference): Handle omp statements.
3729         (convert_local_reference): Likewise.
3730         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3731         (unnest_nesting_tree): New.
3732         (lower_nested_functions): Call it.
3733         (insert_field_into_struct): Make extern.
3734         (struct walk_stmt_info): Move to tree-gimple.h.
3735         (walk_stmts): Make extern.
3736         * omp-builtins.def: New file.
3737         * tree-iterator.c (expr_only): Clarify comment.
3738         * c-common.h (pushdecl_top_level, pushdecl,
3739         build_modify_expr, build_indirect_ref,
3740         c_finish_omp_master, c_finish_omp_critical,
3741         c_finish_omp_ordered, c_finish_omp_barrier,
3742         c_finish_omp_atomic, c_finish_omp_flush,
3743         c_finish_omp_for, c_split_parallel_clauses,
3744         omp_clause_default_kind, c_omp_sharing_predetermined,
3745         c_omp_remap_decl): Declare.
3746         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3747         (OBJS-common): Add omp-low.o.
3748         (c-omp.o, omp-low.o): Add.
3749         (gimplify.o): Add dependency on $(OPTABS_H).
3750         (GTFILES): Add omp-low.c.
3751         (gt-stringpool.h): Add.
3752         * tree-cfg.c (set_bb_for_stmt): Do not update the
3753         block-to-labels map if we are currently expanding to RTL.
3754         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3755         checks.
3756         Handle IDENTIFIER_NODE.
3757         (tree_verify_flow_info): Do not ICE when emitting error
3758         messages about invalid labels.
3759         (dump_function_to_file): Reset CFUN before emitting the body
3760         of the function.
3761         (debug_function): New.
3762         * passes.c (init_optimization_passes): Schedule
3763         pass_lower_omp.
3764         * langhooks-def.h (lhd_omp_predetermined_sharing,
3765         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3766         Declare.
3767         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3768         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3769         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3770         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3771         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3772         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3773         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3774         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3775         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3776         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3777         (LANG_HOOK_DECLS): Use them.
3778
3779 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3780             Richard Henderson  <rth@redhat.com>
3781             Jakub Jelinek  <jakub@redhat.com>
3782             Diego Novillo  <dnovillo@redhat.com>
3783
3784         * c-parser.c (pragma_omp_clause): Define.
3785         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3786         (c_parser_compound_statement): Likewise.
3787         (c_parser_statement): Likewise.
3788         (c_parser_pragma): Handle omp pragmas.
3789         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3790         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3791         (c_parser_omp_clause_name, check_no_duplicate_clause,
3792         c_parser_omp_variable_list,
3793         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3794         c_parser_omp_clause_copyprivate,
3795         c_parser_omp_clause_default,
3796         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3797         c_parser_omp_clause_lastprivate,
3798         c_parser_omp_clause_nowait,
3799         c_parser_omp_clause_num_threads,
3800         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3801         c_parser_omp_clause_reduction,
3802         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3803         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3804         c_parser_omp_atomic, c_parser_omp_barrier,
3805         c_parser_omp_critical, c_parser_omp_flush,
3806         c_parser_omp_for_loop, c_parser_omp_for,
3807         c_parser_omp_master, c_parser_omp_ordered,
3808         c_parser_omp_sections_scope, c_parser_omp_sections,
3809         c_parser_omp_parallel, c_parser_omp_single,
3810         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3811         * c-pragma.c (init_pragma): Do omp pragma registration here.
3812         * c.opt (fopenmp): New flag.
3813
3814 2006-01-18  Eric Christopher  <echristo@apple.com>
3815
3816         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3817         * config/darwin.h (GOMP_SELF_SPECS): Define.
3818
3819 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3820
3821         * rtl.h: Remove the prototype for reg_alloc.
3822
3823 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3824
3825         PR target/25731
3826         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3827         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3828         sjlj and dwarf2 exception handling.
3829         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3830         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3831         * pa/pa.c (function_value): Treat complex and vector types as
3832         aggregates.
3833         (function_arg): Likewise.  Only pass scalar floats in the floating
3834         point argument registers.
3835         * pa/t-slibgcc-dwarf-ver: New file.
3836         * pa/t-slibgcc-sjlj-ver: New file.
3837         * pa/t-slibgcc-elf-ver: Delete file.
3838
3839 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3840
3841         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3842         unlikely_test_section_p test.
3843
3844 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3845
3846         * mode-switching.c (optimize_mode_switching): Make it static.
3847         * basic-block.h: Remove the prototype for
3848         optimize_mode_switching.
3849
3850         * modulo-sched.c (sms_schedule): Make it static.
3851         * rtl.h: Remove the prototype for sms_schedule.
3852
3853         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3854         * rtl.h: Remove the prototype for gcse_after_reload_main.
3855
3856         * reg-stack.c (reg_to_stack): Make it static.
3857         * rtl.h: Remove the prototype for reg_to_stack.
3858
3859         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3860         Make them static.
3861         * rtl.h: Remove the prototypes for regrename_optimize and
3862         copyprop_hardreg_forward.
3863
3864 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3865
3866         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3867         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3868         Test against the appropriate null constant for the mode.
3869         If 'fixup_overlap' is true, swap the operands if they overlap.
3870         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3871         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3872         alpha_split_tmode_pair and adjust for above change.
3873         * config/alpha/alpha.md (movtf_internal): Adjust call to
3874         alpha_split_tfmode_pair and rely on it to swap the operands.
3875         (movti_internal): New insn and post-reload splitter.
3876         (movti): New expander.
3877
3878 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3879
3880         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3881         operands.
3882
3883 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3884
3885         * rtlanal.c (global_reg_mentioned_p_1,
3886         global_reg_mentioned_p): Remove.
3887         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3888
3889         * flow.c (initialize_uninitialized_subregs): Make it static.
3890         * rtl.h: Remove the prototype for
3891         initialize_uninitialized_subregs.
3892
3893         * function.c (instantiate_virtual_regs): Make it static.
3894         * function.h: Remove the prototype for
3895         instantiate_virtual_regs.
3896
3897         * regmove.c (regmove_optimize, combine_stack_adjustments):
3898         Make them static.
3899         * rtl.h: Remove the prototypes for regmove_optimize and
3900         combine_stack_adjustments.
3901
3902 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3903
3904         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3905         (size_cost): Encode costs in bytes so that a reg-reg addition is
3906         equivalent to COSTS_N_INSNS(1).
3907         (override_options): Use the size_cost.branch_cost as the default
3908         ix86_branch_cost when optimizing for size.
3909
3910 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3911
3912         * Makefile.in (D32PBIT_FUNCS): New.
3913         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3914         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3915         D64PBIT_FUNCS and D128PBIT_FUNCS.
3916         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3917         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3918         D128PBIT are set.
3919         (decnumber_dep): Define.
3920         * doc/libgcc.texi (Decimal float library routines): New node.
3921         * config/dfp-bit.h, config/dfp-bit.c: New files.
3922
3923 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3924
3925         * expr.c (emit_move_change_mode): Always adjust addresses, not
3926         just during reload.  Copy replacements only during reload.
3927         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3928         emit_move_via_integer.
3929
3930 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3931
3932         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3933         instead of $(srcdir) and ${srcdir}.
3934
3935 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3936
3937         PR target/592
3938         PR middle-end/11135
3939         * arm.h (struct machine_function): Add pic_reg.
3940         * arm.c (arm_pic_register): Make unsigned.
3941         (arm_override_options): Only set arm_pic_register if
3942         TARGET_SINGLE_PIC_BASE.